an inanimate material (solid object, liquid, or air) that serves as a transmission agent for pathogens is called a(n)
Answers
Answer: vehicle
Explanation:
Related Questions
Which part of the atom determines the name of the atom?
Answers
Answer:
The proton
Explanation:
The number of protons determines the name of the atom, Carbon will always have six protons but it has variants with different numbers of neutrons and electrons
Where do you think the most chloroplasts are found in the plant system—in leaves, the stem, or the root?
Answers
leaves
Explanation:
Chloroplasts are mostly found in the parts of the plant that are capable of photosynthesis.
In the mid 1980s an agressive strain of algae known as Caulerpa was accidentally introduced into the Meditaranean Sea when a seaside aquarium cleaned out its tanks. The algae conatains a toxin that prevents native herbivores from consuming it. Caulerpa quickly spread over the sea floor, crowding out many species including sponges, corals, sea fans, and lobsters. Which statement explains the most likely impact Caulerpa has had on the biodiversity in the Mediterranean Sea? a The presence of Caulerpa within an ecosystem is an indicator of the ecosystems health. b The spread of Caulerpa improved the habitat for many species of sea grasses, and increased the biodiversity. c Caulerpa inter bread with native species within the same adaptations within the ecosystem. d Caulerpa became dominant within the ecosystem and reduced the biodiversity.
Answers
The answer is D: Caulerpa became dominant within the ecosystem and reduced the biodiversity
In most classification schemes, which principal indicator is used todelineate five zones and their subtypes?a Cloudinessb Temperaturec Daylengthd Precipitatione Vegetation types
Answers
Answer: Vegetation types
Explanation: Because i learned it was the answer
Write the chemical symbol for the above picture. Carbon is red. Oxygen is blue
Answers
Answer:
h20 also know as Water. They have 3 atoms, the blues are hydrogen and the red is carbon.
what is the theme of the Gettysburg Address
Answers
Answer:The unifying theme of the address, woven throughout from beginning to end, is the conception, birth, sacrificial death, and new birth of the nation.
Explanation:
Answer:
One main theme of the Gettysburg Address is the image of the birth and re-birth (i.e., baptism) of the nation and the meaning of this new birth of freedom. Central to Lincoln’s declaration of America reborn is his own new, as-it-were baptismal, teaching on the relation between liberty and equality,...
Explanation:
According to History.com, the main idea of the Gettysburg Address is that the sacrifices of those who died on the battlefield of Gettysburg were made to preserve the principles of human equality and self-government as set forth in the Declaration of Independence.
So what is catalyst?
Answers
Answer:
a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.
"chlorine acts as a catalyst promoting the breakdown of ozone"
a person or thing that precipitates an event.
"the governor's speech acted as a catalyst for debate"
Explanation:
hope its help
glycolysis iii place the correct word into each sentence to describe glycolysis.
2
glucose
Cellular respiration
pyruvate
ATP
NAD
substrate
cellular
water
Glycolysis
____includes two stages: the energy-investment and the
energy-harvesting steps.
During the energy-investment step, 2 molecules of ATP are
consumed followed by a molecule of_____
two 3-carbon molecules.
At the energy-harvesting step, a_____-level oxidation
occurs.
At the same time during this step, molecules of___are
synthesized.
splitting into_____
These reactions, coupled with other oxidation reactions, will result in
the breakdown of the 3-carbon molecule into
At the completion of glycolysis, a net gain of____ATP
results,
Answers
The energy investment stage and the energy gathering stage make up glycolysis. Two ATP molecules are spent during the energy-investment step, and then a glucose molecule splits into two 3-carbon molecules.
A crucial step in cellular metabolism called glycolysis includes the breakdown of glucose to release ATP as energy. It takes place in the cytoplasm and is the initial stage of both aerobic and anaerobic respiration. A complex mechanism called glycolysis transforms one molecule of glucose into two molecules of pyruvate through a series of enzyme events. Substrate-level phosphorylation, which involves the addition of an extra phosphate group to ADP to create ATP, is how energy is produced during the process. It is essential to comprehend the mechanics of glycolysis in order to develop treatments for a variety of metabolic diseases, including diabetes and cancer.
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In order to study human genes, scientists must first extract the dna from human tissues. would you expect the method of dna extraction for human dna to be the same as the method you used to extract dna from your specimen? why or why not?
Answers
DNA extraction is a method that purifies the DNA from cell debris. The methods of DNA extraction for different species are different as they have different functions and nature.
What is DNA extraction?DNA extraction is a method that purifies and separates the extracted and isolated DNA of the organism from the cellular debris like a membrane, proteins, and other organelles using chemical and physical methods.
This method is used to study and analyze genetics and disease to develop cures and treatments. It is a vital tool in research that is used as a tool in forensics and genome sequencing. The methods are different for different species as their mechanisms vary.
Therefore, DNA extraction methods differ for different species.
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A species of bacteria is found deep within the Earth’s crust. Which process will the bacteria use to obtain energy?
A. Cellular Respiration
B. Photosynthesis
C. Lactic Acid Fermentation
D. Alcoholic Fermentation
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(word bank)
_____ is an effective way to reduce air and water pollution.
plz help!!!
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a single wrongful act may violate civil law or criminal law but cannot violate both simultaneously.
Answers
A single wrongful act can potentially violate both civil law and criminal law simultaneously, depending on the circumstances and the legal systems involved.
This statement is not entirely accurate. It is possible for a single wrongful act to violate both civil law and criminal law simultaneously.
Civil law governs disputes between individuals or entities, where the objective is typically to compensate the injured party. A wrongful act may result in a civil lawsuit seeking damages or other remedies.
Criminal law, on the other hand, deals with offenses against society as a whole. If a wrongful act is deemed to be criminal in nature, it can lead to criminal charges being filed by the state or government. The objective of criminal law is to punish the offender and protect society.
There are instances where an act may have both civil and criminal consequences. For example, a person committing assault may face both a civil lawsuit filed by the victim seeking compensation for injuries and a criminal prosecution by the state seeking punishment for the act.
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What is Limestone (CaCO3 Calcium Carbonate)?
A: Cryptocrystalline quartz on the ocean floor
B: An ocean lava that creates islands
C: An ocean sedimentary rock formed from the shells of dead organisms
D: A clastic sedimentary rock deposited into the ocean from rivers
Answers
Answer:
C: An ocean sedimentary rock formed from the dhells of dead organisms
Answer:
C
Explanation:
Limestone, otherwise known as Calcium Carbonate, is an ocean sedimentary rock formed from the shells of dead organisms.
When these animals die, their shell and skeletal debris accumulate as a sediment that might be lithified into limestone. Limestones formed from this type of sediment are biological sedimentary rocks.
PolychoricRM: A Computationally Efficient R Function for Estimating Polychoric Correlations and their Asymptotic Covariance Matrix
Answers
It is computationally intensive to estimate polychoric correlations and their asymptotic covariance matrices.
How do you find polychoric correlation in R?
we can say the correlation is positive if the value is 1, the correlation is negative if the value is -1, else 0.
Polychoric correlation is used to calculate the correlation between ordinal variables.
It is similar to actual correlation conditions. We can calculate it by using polychor() method.
What is polychoric correlation coefficient?
The polychoric correlation coefficient is a measure of association between two ordinal variables.
It is based on the assumption that two latent bivariate normally distributed random variables generate couples of ordinal scores.
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https://brainly.com/question/11205478#SPJ4in an alligator, the integumentary system includes scales, fat, and claws. an organ such as the skin is composed of
Answers
in an alligator, the integumentary system includes scales, fat, and claws. an organ like
What is an alligator's body like?Its color is greenish, almost brown, with a yellowish belly, a broad and flat snout, and it can measure up to 3 meters in length. Alligators are nocturnal animals and during the day they form groups to sunbathe. It feeds on fish, birds and mammals.
With this information, we can conclude that Alligators are large reptiles and members of the order Crocodylia. The two existing species of alligators and the many worldwide species of crocodiles are closely related, and people often confuse one with the other. An alligator is distinguished by its wide, rounded snout and black color.
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When can a cell swell up ?
Answers
Answer:
Explanation:
The cell swells up when the concentration of water molecules outside the cell is more than the concentration of water molecules inside the cell. It is because the water moves from a region of higher concentration to a region of lower concentration due to osmosis. So the water molecules outside the cell will move inside the cell ( from higher concentration to lower concentration) and it will swell up.
This solution is known as hypotonic.
So the correct option is B.
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Answer: A
Explanation: When there is a higher concentration of water in the cell more than the surrounding area, then the cell tends to swell up, this is due to osmosis.
some predators feed preferentially on the most abundant prey. this type of predation is
Answers
some predators feed preferentially on the most abundant prey. this type of predation is density dependent .
predation is a process by which the organism eat other organism for their food. predator process is the organism who eats the other organism are called predators and the organism which is eaten is called pray.
Predator help in maintaining the pray species pollution and keep them under control .In predation, one organism kills and consumes another. Predation provides energy to prolong the life and promote the reproduction of the organism that does the killing, the predator, to the detriment of the organism being consumed, the prey.
Predators are organisms that hunt and kill other organisms for food. The organisms that are consumed by the predators are known as the prey. Predators can be carnivores and omnivores. Lions, tigers, sharks, and snakes, all are predators.
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When two elements bond and
form a compound, what
happens to their protons?
A. They share or give away their protons.
B. Both elements lose protons.
C. The protons remain the same in the
nucleus of each atom.
Answers
Answer:
a
Explanation:
The earth is perfectly round at the poles.
TrueFalse
Answers
Answer:
false the earth poles at north and south are broad and the sides are round so , Earth is called oblate spheroid. So answer is false
Answer:
It's answer is False :)
Explanation:
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In which way(s) could polar bears and grizzly bears be considered different species?
Answers
Polar bears and grizzly bears can be considered different species for several reasons.
Firstly, they have distinct physical characteristics. Polar bears are adapted to live in the Arctic and have thick white fur, large paws for walking on ice, and a streamlined body shape for swimming. Grizzly bears, on the other hand, have brown fur, smaller paws, and a more muscular body shape for digging and climbing.
Secondly, they have different ecological and behavioral adaptations. Polar bears primarily eat seals and rely on sea ice for hunting, while grizzly bears are omnivores and often feed on plants, insects, and small mammals. Grizzly bears also live in a wider range of habitats, including forests, mountains, and tundra, while polar bears are found almost exclusively in the Arctic.
Finally, polar bears and grizzly bears have different genetic characteristics. While they can interbreed in captivity, in the wild they rarely do so due to differences in breeding behavior and habitat preference. Interbreeding can also lead to hybrid offspring, which may have reduced fitness compared to their parent species.
Overall, while polar bears and grizzly bears are closely related and can interbreed, their differences in physical, ecological, and genetic characteristics are significant enough to classify them as distinct species.
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Question 19
Which of the following builds up in the human body due to anaerobic respiration and causes muscle fatigue and cramping?
Lactic Acid
O Oxygen
O Alcohol
O Sugar
O ATP
Answers
1. Describe how chemical changes
are
different from physical changes.
Answers
Answer:
Physical changes only change the appearance of a substance, not its chemical composition. Chemical changes cause a substance to change into an entirely substance with a new chemical formula.
Explanation:
Answer:
In a physical change the appearance or form of the matter changes but the kind of matter in the substance does not. In a chemical change, the kind of matter changes, and at least one new substance with new properties is formed.
Explanation:
Physical changes are limited to changes that result in a difference in the display without changing the composition.
hope that helped!
? 3. Explain why Surtsey provided ideal conditions for studying primary succession:
Answers
Answer:
Due to newly formed land.
Explanation:
Surtsey provided ideal conditions for studying primary succession because due to volcanic eruption all the vegetation and living organisms are destroyed from the surface and the land has no vegetation. Primary succession only occurs when the land is colonized for the first time after the formation of land due to natural disaster such as volcanic eruption etc. So we can say that Surtsey provided the conditions for observing primary succession.
3. What does the term molecular clock mean?
changes which appear to accumulate in a specific protein at a constant rate
O an example of an organ or bone that appears in different animals, underlining anatomical commonalities demonstrating descent from a common ancestor
the separation into two separate species from a common ancestor
Answers
Answer:
changes which appear to accumulate in a specific protein at a constant rate
Explanation:
Select all the lines of evidence used by biologists to construct phylogenetic trees
- behaviors
- physiological adaptations
- fossils
- molecular sequences
Answers
Molecular sequences are all the lines of evidence used by biologists to construct phylogenetic trees.
D is the correct answer.
Sequences of DNA and RNA as well as other molecular characteristics, such as the amino acid composition of proteins, are all examples of molecular characteristics. A lot of evolutionary trees being constructed now are based on DNA sequences since DNA technology is now widely used, reasonably affordable, and produces a tonne of valuable evidence.
In order to establish links utilizing polymeric molecules (DNA, RNA, and proteins), phylogenetic trees are formed using data from studies on homologous traits, analagous traits, and molecular evidence.
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The complete question is:
Select all the lines of evidence used by biologists to construct phylogenetic trees.
A- behaviors
B - physiological adaptations
C - fossils
D - molecular sequences
What does the effect do to both liquids and gases on earth?
PLEASE HELP ASAP
Answers
Heat has outstanding effects on earth
What is the effect of heat on liquids and gases on earth?Let me assume that the effect that you mean here is heat as it has an enormous impact on the earth.
Heating liquids and gases on Earth can have several effects. Here are some of the ways in which heat can affect these substances:
Expansion: When liquids and gases are heated, their particles move faster and take up more space, causing them to expand. This expansion can be observed in phenomena such as thermal expansion of materials and the increase in volume of a gas when it is heated at constant pressure.
Phase Change: Heating can also cause phase changes in liquids and gases. For example, when a liquid is heated to its boiling point, it vaporizes and becomes a gas. Similarly, when a gas is cooled to its boiling point, it condenses and becomes a liquid. The heat required to cause these phase changes is called the latent heat of vaporization or condensation.
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1 m2 of a field gets about 1050MJ of light energy per year. Only 21 500 kJ of energy is stored in the new grass.
How is the energy stored in the new grass?
Answers
Glucose is the form in which the energy is kept in the grass plant. Water and carbon dioxide are converted by plants into a sugar called glucose using the power of the sun.
Food is produced by plants through a process known as photosynthesis. Plants use their leaves to capture light energy during photosynthesis. Starch, a complex carbohydrate that can be converted into a simple carbohydrate (glucose) for the plant to use as fuel, is how plants store their energy. Like other cells, plant cells store starch (glucose) in storage organelles. Plants use glucose as a source of energy and to create other compounds like cellulose and starch. Plants, algae, and some bacteria carry out the process by utilizing sunlight to create oxygen (O2) and chemical energy that is stored in glucose.
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Im confused can someone assist me ?
Answers
Answer:
recessive trait ,I think it
the large surface area in the gut directly facilitates . the large surface area in the gut directly facilitates . secretion absorption filtration temperature regulation
Answers
The large surface area in the gut directly facilitates is absorption
Why does digestion require a vast surface area?As surface area grows, so does the pace of digestion. The process that facilitates and supports the quantity of digestive enzymes provides an explanation for this. And it is one of the enzymes types whose activity is enhanced on bigger surfaces.
Microvilli, which resemble tiny hairlike structures, are abundantly present in the villi's cells. Each cell can receive more nutrients as a result of this increase in cell surface area.
The villi and microvilli enhance the surface area available for nutrient absorption in the intestinal lumen.
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I NEED ANWERS ASAP!!!When you view the pendulum’s swing, it shows that at the very top of the swing KE = 0. What does that tell you about the pendulum’s motion at that point?
Answers
Answer:
If KE = 0, the pendulum is not moving. At the top of the swing, the pendulum must stop for a brief moment.
Explanation:
Answer:
If KE = 0, the pendulum is not moving. At the top of the swing, the pendulum must stop for a brief moment.
Sorry I'm late but I hope this helps someone lol
Explanation:
