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never [62]
3 years ago
11

22. Pollution can enter and contaminate an aquifer from which of the following?​

Biology
1 answer:
hjlf3 years ago
3 0

Groundwater contamination occurs when man-made products such as gasoline, oil, road salts and chemicals get into the groundwater and cause it to become unsafe and unfit for human use. Materials from the land's surface can move through the soil and end up in the groundwater. That is why pollution can contaminate an aquifer.

hope this helps:)

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When conducting legal experiments on animals a researcher needs to obtain consent from the?
Alenkasestr [34]
When conducting legal experiments on animals, a researcher needs to obtain consent from the INSTITUTIONAL RESEARCH BOARD.
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7 0
3 years ago
Complementary DNA? please help​
topjm [15]

Answer: From top to bottom- T, C, G, A, T, A, T

Explanation:

These are the nitrogenous bases that make up a part of nucleotides in DNA.

There are 4 bases in DNA:

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The bases pair together from A to T and G to C, the way I remember is just reading it as AT GC and it works for me, but you make want to make an acronym if it helps you remember better.

As a result, all you have to do is type in the corresponding base to form the correct base pairs.

3 0
2 years ago
A snake is about to eat some small eggs it has found in a bird's nest. A hawk swoops down and eats the snake. What is the role o
vlada-n [284]
Hello there,

<span>A snake is about to eat some small eggs it has found in a bird's nest. A hawk swoops down and eats the snake. What is the role of the hawk?

I believe that your correct answer would be "</span><span>Tertiary consumer".

Hope this helps.

~Jurgen


</span>
8 0
3 years ago
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Why are proteins not usually used for energy?
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OLEGan [10]
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