Why did the rock pocket mice population change color over time?

A. Smoking cigarettes can causes air pollution inside the house.

In general most of the indoor air pollution are caused from sources that are responsible for releasing gases or particles into the air. Materials  Like building materials and air fresheners contributes in pollution constantly. The main sources of pollution includes tobacco smoke and wood-burning stoves also cause indoor pollution.

Other reasons for pollution includes Vehicle emissions, fuel oils and natural gases, other sources includes by-products of manufacturing and power generation these are mainly power plants having coal, and fumes from chemical plants contributes as the primary sources of human-made air pollution.

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The medical term for the part of an organ where vessels and nerves enter and leave is the hilum (option b).

In your answer, the hilum refers to the area on an organ where blood vessels, nerves, and other structures enter and exit. It is essential for the organ's communication with the rest of the body.

In different organs, such as the lungs, kidneys, and lymph nodes, the hilum serves as a point of connection for essential functions like blood flow and nerve transmission.

The other options (terminal, meatus, threshold, and portal) do not accurately describe this specific part of an organ. Terminal refers to the end of something, meatus is a natural body opening, threshold is a point of transition, and portal generally refers to an entrance or gateway.

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A. Three characteristics that can be examined to determine the mineral composition of a rock are its color, hardness, and crystal structure.

B. This is important for classifying non-foliated metamorphic rocks because they lack the distinct layering (foliation) seen in other types of metamorphic rocks, making mineral identification crucial for their classification.

A. When trying to determine the mineral composition of a rock, three characteristics that can be examined are color, luster, and hardness.

Color can provide some initial clues about the presence of certain minerals, although it should not be solely relied upon for identification as many minerals can occur in different colors.

Luster refers to the way light reflects off the mineral's surface and can be described as metallic, non-metallic, or glassy. Hardness is a measure of a mineral's resistance to scratching and is often determined using the Mohs scale.

B. The classification of non-foliated metamorphic rocks is particularly important because they lack the characteristic foliation or layering found in some other types of metamorphic rocks.

Without the presence of visible bands or layers, it becomes necessary to rely on other characteristics to identify the minerals present in the rock. By examining the color, luster, and hardness of the minerals within the non-foliated metamorphic rock, geologists can gain insights into its composition and make accurate classifications.

These characteristics can help distinguish between different minerals that may have similar appearances and aid in identifying the specific type of non-foliated metamorphic rock.

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Answer:

legume plants.

Explanation:

According to Quizlet, “Rhizobium is found in nodules in association with legume plants.”

Hope this helps!

Rhizobium is a genus of bacteria that forms a symbiotic relationship with certain leguminous plants. This symbiosis occurs in the root nodules of these plants, and the association is known as nitrogen fixation.

In this process, Rhizobium bacteria convert atmospheric nitrogen into a form that can be used by plants for their growth and development.

The presence of Rhizobium in nodules is vital for both the bacteria and the host plant. Within the nodules, Rhizobium forms specialized structures called bacteroids.

These bacteroids have the ability to fix nitrogen, converting it into ammonia through the enzyme nitrogenase. The plant, in return, provides the bacteroids with carbohydrates and other nutrients necessary for their survival.

This association between Rhizobium and leguminous plants is beneficial for agriculture and ecosystem sustainability. It reduces the dependence on synthetic nitrogen fertilizers, as legumes can obtain nitrogen directly from the air through Rhizobium symbiosis.

This process plays a crucial role in maintaining soil fertility and promoting plant growth, making it an essential interaction in agricultural systems.

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Answer:

Organic matter : biofuels

Explanation:

Biomass is derived from Organic matter in the soil and is used to produce Biofuels. Hope this helps

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Adenosine triphosphate

Answer:

Hydrogen, Lithium, Aluminum, Argon, Nickel, Iodine, Gold, Mercury

Explanation:

Hydrogen has 1 proton.

Lithium has 3 protons.

Aluminum has 13 protons.

Argon has 18 protons.

Nickel has 28 protons.

Iodine has 53 protons.

Gold has 79 protons.

Mercury has 80 protons.

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Answer:

C. The molten Earth released hydrogen and helium into the atmosphere.

Explanation:

Today's atmosphere is that the molten Earth released hydrogen and helium into the atmosphere due to past sphere interactions.

Answer:  Over time, it will most likely remain bare, paved-land indefinitely

Explanation: it will remain bare because no one is going to be there to take care of it

Answer:

4

Explanation:

ecological succession is the growth and change over a period of time that will happen in the parking lot if left abandoned.    

Answer:

Roots.

Explanation:

Roots anchor the plant, absorb minerals and water, conduct water and nutrients, and store food.

Answer:

Explanation:

nee de wortel

Criteria that would use to determine the predominant life strategy of each species will be examining each species' life span, sexual maturity age, and the number of offspring produced throughout a reproductive cycle.

The fundamental unit of biodiversity, a species also serves as the taxonomic rank and classification of an organism. A species is frequently described as the biggest group of organisms in which any two individuals of the right sexes or mating types can successfully reproduce sexually and result in fertile offspring.

The karyotype, DNA sequence, shape, behavior, or ecological niche of a species are other methods to define it. Due to the inability to study fossil reproduction, paleontologists also employ the chronospecies idea.

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Answer:

I think the second one

The name of the enzyme is lipase

Explanation:

because enzyme is a catalyst not because of breakdown of lipids but because it speeds up the biochemical reaction

this is a fact that enzyme speeds up the reaction.it is not because of lipids

enzymes is not degraded in the reaction.

anabolic reactions are the reactions that synthesizes larger molecules to smaller ones, not related to breakdown of lipids.

enzymes is not made up of RNA molecules. They are made up of proteins

Answer:

a,b,c,f are the correct choices

Explanation:

Fossils, galciers and complementary coastlines are the evidences of earth's past plate movements.

Modern continents hold clues to show their past events such as fossils, glaciers, and complementary coastlines. These evidences help in revealing about the plates that once fit together. Fossils tell us when and where plants and animals once existed.

So we can conclude that fossils, galciers and complementary coastlines are the evidences of earth's past plate movements.

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Answer:

A. Is expensive to build or maintain

Explanation:

Hydroelectric energy is a type of energy which is generated from the flow of water. In this energy, water is allowed to fall from a certain height on the turbine. The moving of turbine produces energy. The main disadvantage of hydroelectric energy is that it is very expensive and require high amount of money for the construction and maintenance of hydroelectric power plant. The machinery used for the production of hydroelectric energy is very costly.

The true statements concerning chromosomes are:

1. Chromosomes are composed of DNA and packaging proteins called histones so they may fit tightly into the nucleus of a cell.

2. Located on each chromosome are segments of DNA known as genes or units of inheritance that code for functional products.

3. Homologous chromosomes contain the same genes and the same allele combination.

4. DNA replication occurs prior to the cell cycle, in which copies of each homologous chromosomes are made, and each of these copies is called sister chromatids.

5. After replication, sister chromatids, which are identical copies of a chromosome, contain identical allele combinations.

6. The ultimate purpose of sexual reproduction and replicating chromosomes is to pass on a copy of a cell's genes to the next generation of cells within the body.

1. Chromosomes are composed of DNA and histones, which are proteins that help in packaging the DNA. This packaging allows the long DNA molecule to fit tightly into the nucleus of a cell.

2. Genes are located on chromosomes. They are segments of DNA that contain instructions for building functional products like proteins. These genes serve as the units of inheritance, carrying genetic information from one generation to the next.

3. Homologous chromosomes refer to the two copies of each chromosome in a diploid cell. While they contain the same genes, they may have different alleles, or versions of those genes, which contribute to genetic variation.

4. DNA replication occurs before the cell cycle. During replication, each chromosome's DNA is copied, resulting in two identical sister chromatids attached at a central region called the centromere. This ensures that each daughter cell receives a complete set of chromosomes during cell division.

5. Sister chromatids are exact copies of each other because they are formed through DNA replication. They contain identical allele combinations since they originated from the same chromosome.

6. The purpose of sexual reproduction and the replication of chromosomes is to pass on a copy of the cell's genes to the next generation of cells within the body. This ensures the transmission of genetic information, allowing for the development of new individuals with unique combinations of genes.

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Answer:

B. Amount of sunlight

Explanation:

The producers in the ocean are dependent on the amount of sunlight because that is one of the major things they need to get their food.

I hope this helps~

Count how many oxygen bubbles the plant emits over the course of one minute. This is how quickly photosynthesis occurs at that specific temperature. Checking the gas to ensure that it is oxygen should be done - relights a glowing splint.

The quantity of enzyme-substrate collisions limits the pace of photosynthesis at low temperatures. The rate of photosynthesis rises as a function of temperature because there are more collisions as a result.

As photosynthesis is a chemical process, the pace of most chemical reactions normally rises with temperature, the higher the temperature, the greater the rate of photosynthesis will typically be. Yet, the rate of photosynthesis decreases considerably at temperatures exceeding 40°C.

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Experiment

In this experiment, as the question the investigators are trying to answer is what component is the limiting one, it is necessary to test every one of them, independently. Therefore, the best option is to change the concentration of one of them and leave the rest unchanged. To accomplish this, would be necessary three different tanks, one for phosphorus, one for iron, and one for nitrogen (option A).

To determine which nutrient is limiting algal growth, the company can add phosphorus to one tank, nitrogen to another, and iron to a third, and see which treatment increases algal growth. Therefore, option A is correct.

By adding each nutrient separately to different tanks and observing the effects on algal growth, the company can identify which nutrient is limiting. If the addition of phosphorus to one tank leads to increased algal growth, it suggests that phosphorus was the limiting nutrient.

Similarly, if the addition of nitrogen or iron to their respective tanks results in increased algal growth, it indicates that nitrogen or iron, respectively, was the limiting nutrient. Thus, option A is correct.

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Answer:

wepons  

Explanation:

Correct Option is ( C) Smallest as well as slowest firing type of rate to the largest and fastest type of firing rate. For muscle type of recruitment patterns, it is also crucial to say a precept that governs the order of recruitment, termed Henneman's length precept.

It states that smaller muscles are recruited first as they may be particularly fatigue resistant and convey small quantities of pressure The accurate order of systems of a muscle from smallest to biggest is: muscle fiber, endomysium, fascicles, perimysium, epimysium.  

Motor very commonly recruited so as of smallest to biggest (smallest motor neurons to biggest motor neurons, and as a consequence sluggish to speedy twitch) as contraction increases. This is called Henneman's length precept. Based at the dimensions, the above-cited systems may be organized withinside the following manner from the most important to the smallest component: Muscle fiber → Myofibril → Sarcomere → Thin-filaments →Troponin. Therefore, the best series of order is 5, 2, 3, 4, 1.

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Correct Question:

According to the size principle of motor recruitment, in what order will muscle fibers be recruited during activity?

a). Smallest and fastest firing rate to largest and slowest firing rate.

b). Largest and fastest firing rate to smallest and slowest firing rate.

c). Smallest and slowest firing rate to largest and fastest firing rate.

d). Largest and slowest firing rate to smallest and fastest firing rate.

antigen processing involves the breakdown of protein antigens and the subsequent association of peptide fragments on the surface of antigen-presenting cells with MHC class I or class II proteins.

Antigen is any foreign particle or molecule that can trigger a n immune response in the body.

After the body encounters the antigen cells like macrophages, B cells and dendritic cells will recognise and destroy them. The parts of the antigen will be presented by the macrophages to the T cells and hence they are also called Antigen presenting cells.

Antigen presenting cells will showcase the antigen or its part to the T cells. This is done with the help of a protein called major histocompatiblity complex or MHC complex proteins.

MHC proteins are present on cell surface and holds the antigens to showcase them to T cells.

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Answer:

An interaction you might see between living things in an ecosystem is predation, competition, or cooperation.

Explanation:

Predation occurs when one animal kills or eats another

Competition is when two animals fight for the same limited resources

Cooperation is when a group of organisms work together to improve the survival rate of the group

Brainliest?

An interaction you might see between living things in an ecosystem is predation, competition, or cooperation.

In competition, individuals seek to obtain the same environmental resource. In predation, one population is the resource of the other. One can conceptualize competition as occurring horizontally on the same resource level,  while predation takes place vertically between different resource levels.  

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In summary, the human body is made of 11 important organ systems, including the circulatory, respiratory, digestive, excretory, nervous and endocrine systems. They also include the immune, integumentary, skeletal, muscle and reproductive systems. The systems work together to maintain a functioning human body.

Parathyroid hormone functions in all of the following ways except decreasing the rate of calcium excretion so the correct answer is option (C).

The parathyroid hormone (PTH) is secreted by the parathyroid gland, a small gland in the neck, in response to low blood calcium levels. The hormone's function is to regulate the levels of calcium and phosphate in the blood, primarily by targeting bones, kidneys, and the intestine.PTH functions in the following ways:

1. Stimulating osteoclast activity stimulates osteoclast activity in bones, leading to the release of calcium from bones into the blood.

2. Increasing the rate of calcium absorption PTH increases calcium absorption from the intestine into the blood.

3. Raising the level of calcium ion in the blood PTH raises the level of calcium ion in the blood by targeting bones, kidneys, and the intestine.

4. Inhibiting calcitonin secretionPTH inhibits the secretion of calcitonin by the thyroid gland, which helps to lower the calcium levels in the blood.

However, PTH does not decrease the rate of calcium excretion. In fact, PTH promotes calcium reabsorption in the kidneys, reducing the amount of calcium excreted in the urine. This, in turn, helps to increase the levels of calcium in the blood and maintain homeostasis.

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Option B. The binding of the first two molecules must cause a 3-D change that opens another binding site on the enzyme. In order to attach a particular amino acid to the tRNA molecule for transport.

Ribonucleic acid (tRNA) is a type of RNA molecule that helps decode a messenger RNA (mRNA) collection right into a protein. tRNAs are characteristic at unique sites in the ribosome all through translation, which is a manner that synthesizes a protein from an mRNA molecule.

Transcript RNA is an adaptor molecule composed of RNA, usually 76 to 90 nucleotides in the period, that serves as the bodily hyperlink between the mRNA and the amino acid collection of proteins. switch RNA does this by wearing an amino acid to the protein synthesizing machinery of a mobile referred to as the ribosome.

An anticodon is a trinucleotide series placed at one cease of a transfer RNA (tRNA) molecule, which is complementary to a corresponding codon in a messenger RNA (mRNA) sequence.

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Birds, like airplanes, must be lightweight as well as powerful. They can fly only because evolution slimmed down their entire anatomy from their reptilian ancestors. Over time, the bones of birds have become lighter and, in the case of many "finger bones," some have disappeared altogether.

Answer: part a: space to grow

Part b: because it gives a more accurate/a fair test

Explanation: