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8090 [49]
2 years ago
14

What was new york cities water pollution in parts per million 50 years ago

Biology
1 answer:
Katyanochek1 [597]2 years ago
7 0

Answer:

625 ppm 50 years ago

Explanation:

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Over time, a tree that once had a total mass of
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carbon dioxide that enters through the leaf

openings

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3 years ago
What do you think "valence" means?
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Outermost

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How might targeting rapidly growing cells explain common chemotherapy side effects such as hair loss and nausea
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Cancer cells are the cells that divide rapidly than any other cells in the body. The drugs used in chemotherapy work on rapidly dividing cancer cells. Some cells of our body apart from cancer cells also divide rapidly along with the cancer cells such as the cells that line the stomach and the digestive tract. Chemotherapy drugs cannot differentiate the cancer cells and the normal cells so these drugs also attack the normal cells which divide rapidly along with the cancer cells. The drugs also attack the cells that are present in the roots of the hair. So, this results in the hair loss. Hair loss does not occur immediately after the chemotherapy treatment instead it starts after few treatments. The degree of the hair loss after chemotherapy depends on the drug type and process. So when the chemotherapy drugs are used it results in the hair loss and nausea.

Therefore, when chemotherapy drugs attack normal cells including the roots of the hair instead of cancer cells that divide rapidly along with the cancer cells it results in the hair loss and nausea.

3 0
3 years ago
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Create an example in which a mutation entered the gene pool and due to predator pressure. Becomes predominate. For example, thin
Genrish500 [490]

Answer:

The population of light colour Peppered moths decreases and dark Peppered moths increases.

Explanation:

During the industrial revolution, the population of light colour Peppered moths decreases and dark Peppered moths increases because due to industrial revolution, air pollution increases which spreads a black dust on the trees and as a result the light colour Peppered moths can easily be seen in the dark by its predator and feed on them while dark colour Peppered moths can't be seen in the dark so the predator is unable to feed and as a result the population of dark colour Peppered moths increases.

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3 years ago
What does natural selection cause a population to change over time?
Jlenok [28]

Answer:

certain spiecies can thrive

Explanation:

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