Answers
Answer:
Drying one load of laundry a week puts 0.1 metric tons of CO2 into the atmosphere. Hang 'em outside and save yourself $11 in electricity costs while you're at it. Gym rats, beware: Running on a treadmill for 30 minutes three times a week will boost your carbon footprint by 0.07 metric tons per year
The largest source of greenhouse gas emissions from human activities in the United States is from burning fossil fuels for electricity, heat, and transportation. ... Greenhouse gas emissions from transportation primarily come from burning fossil fuel for our cars, trucks, ships, trains, and planes.
Meat, cheese and eggs have the highest carbon footprint. Fruit, vegetables, beans and nuts have much lower carbon footprints.
Explanation:
pls mark brainliest
Answer:
Food, Transportation, Household Resources like Electricity, Water and Gas.
Explanation:
Related Questions
How are birds different from mammals ?
Answers
Answer:
there is a major diff between birds and mammals in the female reproductive system as birds produce large yolk-filled eggs. The precursors of the yolk r synthesized by the liver. Another diff is that there is a single ovary and oviduct in bird
Explanation:
Answer:
The difference is the female reproductive system as birds produce large yolk filled eggs
Where is glucose broken down in the animal cell?
Answers
Answer:
the mitochondria
Explanation:
i got it right
A group of students decided to carry out an Investigation to find out how enzyme
activity is affected by temperature changes. They put samples of salivary amylase and
starch into two test tubes. Salivary amylase is an enzyme that breaks down starch
into maltose. Its optimum temperature for activity is around 37°C.
A. What do you think happened to the rate of reaction of the enzyme when the students had the
1st test tube at 37 degrees?
B. What do you think happened to the rate of reaction of the enzyme when the students had the
2nd test tube at 0 degrees? At 60 degrees
I
Answers
Answer:
See the answer below
Explanation:
Enzymes are biological catalysts and are quite temperature specific. They operate optimally within a certain range of temperature. At lower temperatures, their activities decrease and they become inactive at extremely low temperatures. At higher temperatures, their activities are initially promoted but as temperatures get higher, their activities become zero due to the fact that they become denatured.
A. The optimum temperature for amylase activity is 37\(^oC\), hence, when the student had the first test tube at this temperature, the rate of reaction of the enzyme is optimal. The maximum amount of starch would be broken down into maltose.
B. At 0 degrees, the enzyme would become inactive and the rate of reaction becomes minimal or even zero due to the inactivity of the enzyme. At 60 degrees, the rate of reaction also becomes zero because the enzyme would have been denatured by the high temperature.
Enzymes depends on temperature to accomplish their functions and express the highest rate of reaction. A) 37ºC ⇒ maximum rate of reaction. B) 0ºC ⇒ low or null rate of reaction. C) 60ºC ⇒ null rate of reaction.
-----------------------------------
Enzymes, like all proteins, are polypeptidic molecules. They need to get an accurate tridimensional structure to accomplish their function. There is a limited temperature and pH level at which they lose that structure and denaturalize. In general, the increase in temperature accelerates chemical reactions. For every 10ºC of temperature increase, the reaction velocity duplicates. The temperature at which the enzymatic activity is the highest is known as optimum temperature.⇒ When the environmental temperature is lower than the optimum, there is a slow enzymatic activity.
⇒ When the temperature exceeds the optimum point, the enzymatic activity sharply decreases.
Hight temperature denaturalizes the enzyme.
Over the optimum temperature level, the reaction velocity is counteracted by the loss of the catalytic activity due to denaturalization.
Enzymatic activity decreases until it completely annulates.
According to this information, under the stated situations, we expect to see
A). 1st Test tube at 37 degrees
The enzyme can express its maximum rate of reaction because it is under the optimum temperature. The enzyme activity is the highest.
B). 2nd Test tube at 0ºC
Low rate of reaction because the temperature is lower than the optimum one.Products are being produced but at a lower rate because the enzymatic activity is low or null. The enzyme has not reached its highest activity rate yet.
C). 2nd Test tube at 60ºC
Low rate of reaction because the temperature exceeded the optimum one. At 60ºC the enzyme suffers denaturalization, and it can not accomplish its functions. The enzymatic activity is null.The attached graph shows
an increase in the rate of reaction from near zero to a maximum rate of reaction -at 37°C-. 37°C is the optimum temperature at which the enzymatic activity is the highest. From 37°C to 60ºC there is a sharp decrease in the enzyme activity due to the protein denaturalization.---------------------------------
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Why are invasive species considered a threat to native wildlife?
Answers
Answer:
they can consume all the native prey and have few predators.
Explanation:
Check all that are true of the following scenario.
An archer strings an arrow on a bow and draws the string back. Aiming the bow
upwards at a 45 degree angle, the archer pauses with arms locked into position and
then releases the string. The arrow flies upwards making an arc and then sticks into
the trunk of a tree with an audible thud.
At least four different types of energy are illustrated in this example.
The first energy transformation in the scenario is chemical energy to kinetic.
From the time the archer draws the bow until the thud us heard, entropy increases in
the universe.
The energy of the arrow at the end of the scenario is equal to the energy exerted by the
muscles of the archer.
When the arrow sticks into the tree the original energy has all been used up.
Answers
Statements 1 and 3 are true, while statements 2 and 4 are false.The first energy transformation in the scenario is chemical energy to kinetic. - True.
The archer converts chemical energy stored in their muscles into kinetic energy when they release the string and propel the arrow forward.From the time the archer draws the bow until the thud is heard, entropy increases in the universe. - False. Entropy is a measure of disorder or randomness in a system. In this scenario, the archer's actions do not necessarily lead to an increase in entropy.
The energy of the arrow at the end of the scenario is equal to the energy exerted by the muscles of the archer. - False. Energy is conserved in a closed system, but some energy is lost as heat and sound during the process. Therefore, the energy of the arrow at the end may be less than the energy exerted by the archer's muscles.
When the arrow sticks into the tree, the original energy has all been used up. - False. Energy is not created or destroyed but rather transformed from one form to another. Some of the initial energy from the archer's muscles is transferred to the arrow's kinetic energy, but it is not entirely used up.In summary, statements 1 and 3 are true, while statements 2 and 4 are false.
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A displacement reaction is when the different parts of compounds swap due to changes in?
Answers
Answer:
Explanation:
A displacement reaction occurs when a more reactive element displaces, or pushes out, a less reactive element from a compound that contains the less reactive element
If you were a forensic scientist at a crime scene and a white powder was found next to a deceased victim, what test would you conduct first?
Marquis test to check for fentanyl
Marquis test to check for arsenic
Marsh test to check for cocaine
Scott's test to check for fentanyl
Answers
If a white powder is found next to a deceased victim at a crime scene, the first test is the A. Marquis test to check for fentanyl
Fentanyl is a potent synthetic opioid that has been involved in numerous cases of drug overdoses and illicit use. The Marquis test is a common presumptive test used to detect the presence of opioids, including fentanyl. It involves adding a few drops of the Marquis reagent, which typically contains formaldehyde and sulfuric acid, to a small sample of the white powder. If fentanyl is present, it will produce a characteristic color change or reaction.
Given the potentially lethal nature of fentanyl and its widespread illicit use, it is crucial to identify its presence early on to ensure the safety of the investigators and to guide further investigation. If the initial Marquis test indicates the presence of fentanyl, additional confirmatory tests can be performed to validate the findings and gather more detailed information about the substance.
It is important for forensic scientists to exercise caution and follow proper safety protocols when dealing with unknown substances, particularly those that may pose significant health risks. Therefore, Option A is correct.
The question was incomplete. find the full content below:
If you were a forensic scientist at a crime scene and a white powder was found next to a deceased victim, what test would you conduct first?
A. Marquis test to check for fentanyl
B. Marquis test to check for arsenic
C. Marsh test to check for cocaine
D. Scott's test to check for fentanyl
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Do plants consume soil?
Answers
The plants do not eat the soil, their physical body and nutrients is obtained by organic and inorganic molecules, such as carbohydrates, proteins, nitrogen, oxygen, and carbon dioxide. The soil provides support and nutrients for the plants, but they still can grow without soil and do not consume it.
Answer:
Plants do not consume soil, rather they absorb nutrients found in the soil.
hope it helps, mark as brainliest.
The step of the scientific method where an if/then statement is developed is referred to asQuestion options:formulating a hypothesis.identifying variables.making observations.stating a problem.
Answers
Remember that the hypothesis is a statement that can be proven true or false. This is done through experimentation, data collection, and analysis of these data or results, then the statement to be tested (the hypothesis) may or may not be refuted.
We can conclude that the correct answer is:
Answer:formulating a hypothesis.
For her research, Ananya frequently accesses a new database that contains functional data relating to the human genome. This database was likely created during what phase of the ENCODE project?
Group of answer choices
pilot phase
analysis phase
sequencing phase
technology development phase
Answers
The ENCOD project was a collaborative effort aimed at identifying all functional elements in the human genome. It consisted of several phases, including the pilot phase, technology development phase, sequencing phase, and analysis phase.
What is ENCOD?
The ENCODE (Encyclopedia of DNA Elements) project was a collaborative research effort aimed at identifying all functional elements in the human genome. The project was launched in 2003 with the goal of creating a comprehensive catalog of functional elements, such as genes, regulatory elements, and chromatin modifications, and to understand how these elements work together to control gene expression and cellular function.
Since the database that Ananya accesses contains functional data, it was likely created during the analysis phase of the ENCODE project. During this phase, the raw data generated in the sequencing phase was analyzed and interpreted to identify functional elements such as genes, regulatory regions, and chromatin modifications.
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What might happen if water molecules didn't have a slight negative charge on one end and a slight positive charge on the other?
Answers
The polarity of water molecules is crucial to the formation and stability of cell membranes. Without this polarity, water would not be able to form hydrogen bonds, interact with polar molecules, or form stable cell membranes .
Water molecules are composed of two hydrogen atoms and one oxygen atom, and they have a slight negative charge on one end and a slight positive charge on the other.
This arrangement is due to the unequal sharing of electrons between the atoms, with the oxygen atom having a stronger pull on the electrons than the hydrogen atoms. This phenomenon is called polarity, and it is crucial to the unique properties of water.
First, water molecules would not be able to form hydrogen bonds with each other, which are crucial for many of water's unique properties. Hydrogen bonds occur between the positive and negative ends of different water molecules and give water its high boiling point, high surface tension, and the ability to dissolve many substances.
Furthermore, the polarity of water molecules is crucial to the formation and stability of cell membranes. The hydrophilic, or water-loving, heads of phospholipids are attracted to the polar water molecules, while the hydrophobic, or water-fearing, tails face away from the water.
In summary, the polarity of water molecules is crucial to many of its unique properties and is essential to many biological processes. Without this polarity, water would not be able to form hydrogen bonds, interact with polar molecules, or form stable cell membranes.
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Which line points to the myelin sheath?
Answers
Myelin Sheath is an insulator on the axon
Hope that helps! :)
Answer:D
Explanation:
4. They damage the soil by doing activities such as gardening, quarrying, mining, deforestation, bad farming, and kaingin. N M A S U H
Answers
The activities mentioned, such as gardening, quarrying, mining, deforestation, bad farming, and kaingin (slash-and-burn agriculture), can have negative impacts on the soil.
These activities disrupt the natural balance of soil ecosystems and can lead to soil degradation and damage. Gardening, when done improperly, can result in soil compaction and nutrient depletion. Quarrying and mining operations can strip away topsoil, leaving behind barren landscapes.
Deforestation removes the protective cover of trees, leading to soil erosion. Bad farming practices, such as overuse of chemical fertilizers and pesticides, can harm soil health and biodiversity. Kaingin, with its practice of burning vegetation, destroys organic matter and alters soil fertility.
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1. What is a true-breeding plant?
Answers
Answer:
Goggle
Explanation:
when plants produce only offspring of the same variety when they self-pollinate.
example of parallel choices in a key in " A. flower color is red; AA flower color is blue"
true or false
Answers
True. Real, flowers are colored red; false, flowers are colored blue. It is more likely that a plant than an animal has appendages and an exoskeleton.
Provide an illustration of what an exoskeleton is.Several animal species' bodies are supported and shielded by hard coverings called exoskeletons. Exoskeleton literally translates to "outside skeleton." Animals without backbones known as invertebrates frequently have exoskeletons. Animals with exoskeletons most commonly include insects.
What does a human exoskeleton look like?Exoskeletons are wearable devices that either enhance the capabilities of the human body or support and aid in mobility. Exoskeletons are tools that individuals can use to help them or improve their physical capabilities.
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Which statement best describes how sediment forms?
A. Loose material is cemented by pressure.
B. Chemical changes cause sediment to compact together.
C. Molten rock cools above Earth’s surface.
D. Weathering breaks down rock and other material.
Answers
Answer:
D. Weathering breaks down rock and other material.
Explanation:
I know this is right because I took the quiz and I got it right.
Your Welcome. I am in K12.
The other guy is still correct but not enough information.
Sediment forms weathering breaks down rock and other material. Thus option D is correct.
What is sediment?Sediment is defined as a naturally occurring material that is broken down by weathering and erosion processes and is then moved by the action of wind, water, or ice on the particles or by the force of gravity acting on the particles.
It can also be defined as a solid that can travel over land or through water due to erosional pressures and settle in a new location.
There are basically four types of sediments.
LithogenousBiogeniesHydrogenousCosmogenousSediment is made up of rocks as small as tiny clay particles and larger that are transported by water.
There are three more types of sediment
ClasticChemicalBiochemicalThus, sediment forms weathering breaks down rock and other material. Thus option D is correct.
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How do plant leaf cells and animal cells differ in their metabolic capabilities?
Answers
Answer:
Explanation:
Plant leaf cells and animal cells differ in their metabolic capabilities due to the presence of different organelles. Both plant and animal cells have mitochondria, which break down sugar to make energy for the cell. However, only plant cells have chloroplasts, which are necessary for photosynthesis. During photosynthesis, plants use sunlight to make sugar from carbon dioxide and water
How We can educate people from the ecological footprint that the 3 main factors of the footprint are transportation, housing and food decisions?
Answers
When considering educating people from the ecological perspective, it is important to remark eco-friendly methods of transportation, sustainable homes, and avoid wasting food.
How education is associated with an ecological perspective?The process of education should ideally exhibit a deep connection with ecological issues in order to preserve natural resources and achieve successful resource management.
For example, transportation may be based on the use of eco-friendly strategies such as cycling and the development of suitable green roads.
In conclusion, when considering educating people from the ecological perspective, it is important to remark eco-friendly methods of transportation, sustainable homes, and avoid wasting food.
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turnover of water in temperate lakes during the spring and fall is caused by which of the following? A. warm,less dense water layered at the top B.cold, more dense water layered at the bottom C.a distinct thermocline between less dense warm water and cold, dense water. D. the density of water changes as seasonal temperatures change. E.currents generated by nektonic animals
Answers
The study of biogeography examines how living entities are distributed geographically and how abiotic causes may have an impact on that distribution.
What is Biogeography?Latitude and elevation play a major role in the variation of abiotic elements like temperature and rainfall.
The make-up of plant and animal communities changes as these abiotic elements do. For instance, you would see progressive changes in plant communities if you started your tour in the equator and walked north.
You would observe broad-leaved evergreen trees in tropical wet forests at the start of your journey, which are typical of plant communities found close to the equator. These broad-leaved evergreens would eventually give place to seasonally dry woodlands with scattered trees as you traveled north.
Therefore, The study of biogeography examines how living entities are distributed geographically and how abiotic causes may have an impact on that distribution.
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Select the photosynthetic molecule that gives halobacteria its unique color.
a.) Caratenoids
b.)Thylakoids
c.)Bacteriochlorophylls
d.)Bacteriorhodopsin
Answers
Answer:
Bacteriorhodopsin
Explanation:
Purple Halobacterium species owe their color to bacteriorhodopsin, a light-sensitive protein.
12. Why is our sense of hearing important?
Answers
Answer:
As one of our most vital senses, the capacity to hear allows us to connect to the world for numerous very critical reasons. Most notably, hearing joins us to people enabling us to communicate in a manner that none of our different senses can accomplish.
Explanation:
Hearing allows us to connect with the world around us, it's beneficial to communicate with others, be able to listen for dangers, etc. Our ears can detect all sorts of noises, and all of these sounds have some sort of importance to us. Some noises can indicate danger, which is vital for survival. Hearing is also crucial for socialization; on average, a person will hear up to 70,000 words a day!
I hope this helped!! :)
Answer:
Hearing is essential for maintaining relationships and connections with friends and family, fully participating in team and community activities, and experiencing life events. Hearing makes it possible to engage, listen, laugh, and enjoy many of the things that help shape your quality of life
21. Some fish, some dogs and some children are swimming in a bay. There are 40 legs in total, twice as
many heads as tails and more dogs than fish.
How many fish are in the bay?
Answers
Practice 5
Select the pathogens below.
Bacteria
Viruses
Macrophages
Protists
Fungus
Answers
From the list you provided, the pathogens are Bacteria, Viruses and Fungus.
Bacteria are single-celled microorganisms that can cause various infectious diseases in humans, animals, and plants.Viruses are tiny infectious agents that can only replicate inside the cells of living organisms.
They cause a wide range of diseases, such as the common cold, flu, HIV/AIDS, and COVID-19.Fungi are a group of organisms that include molds, yeasts, and mushrooms. Some fungi can cause infections in humans, such as athlete's foot, ringworm, and fungal pneumonia.
Protists are a diverse group of eukaryotic microorganisms that include various single-celled organisms, such as amoebas and paramecia. While some protists can be parasitic and cause diseases like malaria, not all protists are pathogens.
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The diagram below shows a stack of rock layers. These layers have not changed position since they formed. Examine the diagram and answer the question that follows. If the age of Layer 4 is 400 million years and the age of Layer 1 is 500 million years, then the age of Layer 3 is A. older than 500 million years. B. between 400 million and 500 million years. C. 500 million years. D. younger than 400 million years.
Answers
Answer:
B. between 400 million and 500 million years
Explanation:
Process of elimination
Answer: Answer is B, Younger than 400 million years
Explanation:
The age of rock layers in a stack reflects the order in which they were deposited—the lower layers were laid down first, and then the upper layers were laid on top of them. So, the lower layers and fossils they contain are older than the upper layers and fossils. This is known as the principle of superposition.
In this example, Layer 1 was deposited first, then Layer 2, Layer 3, Layer 4, and Layer 5. Layer 1 is the oldest, and the layers get younger as you move up through the stack.
If the age of a particular layer is known, then the relative age of other layers can be determined. In this example, Layer 4 is 400 million years old. This means that the layer above it is younger than 400 million years and the layers below it are older than 400 million years. Layer 1 is 500 million years old. This means that layers above it are younger than 500 million years.
Layer 5 is above Layer 4, so it must be younger than 400 million years.
(A)
A. aa
C. A
AA
A
The gametes from the
parent in this image
will have what alleles
for the trait shown?
B. Aa
D. a
Answers
Gametes are haploid cell that result from the meitoc division of a germ cell. In the exposed example, the correct option is A. Gametes will have either the A or a allele.
What is a gamete?Gametes are haploid cells (n) that results from meiotic cell division. They carry half the number of chromosomes of the diploid parental cell (germ cell).
Gamete formation involves the random and independent segregation of the alleles during meiosis, which results in different chromosomal combinations in the daughter cells.
In the exposed example, there is a parental cell carrying a diallelic gene Aa. This cell divides, and each of the alleles migrate to one of the resulting gametes.
Parental cell) Aa
Gametes) A and a
The correct option is A. Gametes will have either the A or a allele.
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Why do some children look more like their mother or more like their father?
Answers
Answer:
The parents' part DNA Is passed on to their Children, the genes get activated
on both the Mom and dad's. Some of the chromosomes are basically Copied from the parents. and that is what Makes the children Look more like their parents.
Explanation:
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I NEEDDD HELP LIKE RIGHT NOW ITS SIMPLE
What is the best description of originality?
nonobvious
special or interesting
convergent
having a low probability, unique
Answers
The best description of originality is having a low probability, unique, option D is correct.
Originality refers to the quality of being novel and distinctive, and it implies that something is not derived from anything else. The more unique and uncommon an idea, creation, or expression is, the more original it is deemed to be. Originality can be measured by the probability of its occurrence.
The lower the probability of an idea or creation being generated, the more original it is. A highly original idea is not only new but also unexpected and unconventional, which makes it stand out from the norm. Originality is highly valued in fields such as art, literature, science, and technology, as it contributes to the advancement of knowledge and understanding, option D is correct.
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The correct question is:
What is the best description of originality?
A) nonobvious
B) special or interesting
C) convergent
D) having a low probability, unique
On an average day, how many earthquakes take place around the world? How many large earthquakes take place?
Answers
Answer:
The National Earthquake Information Center (NEIC) records an average of 20,000 earthquakes every year (about 50 a day) around the world.
Match the following term with its definition.
Answers
Pigment – A colored material added to glass or paint.
Becke line – A halo
Backscatter – Fragments of glass left on the entrance side of an impact.
Refractive index – A measure of how light bends as it passes from one substance to another.
Refractive index (Index of Refraction) is a number determined by dividing the speed of light in a vacuum by the speed of light in a second medium with a higher density.
An optical mineralogy method called the Becke line test can be used to compare the relative refractive indices of two materials. The petrographic microscope's stage is lowered, and the direction in which the light seems to move is watched.
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Example of form follows function in cell biology
Answers
Answer:
Example: human's arm and bat's wing share the same evolutionary origin and exhibit similar internal anatomical structures, but they have different forms because these structures have different functions
Explanation:
The idea "Form Follows Function" indicates that the form/shape of a structure is directly associated with the function of that structure. The relation form-function is a consequence of the evolutionary process. Thus, in different species, analogous structures that share the same evolutionary origin can have different forms and/or shapes because they perform distinct functions, such as in the example above.