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lara [203]
3 years ago
13

1. Why is the nitrogen cycle important?

Biology
1 answer:
Temka [501]3 years ago
5 0

Answer:

Nitrogen is found in soils and plants, in the water we drink, and in the air we breathe. It is also essential to life: a key building block of DNA, which determines our genetics, is essential to plant growth, and therefore necessary for the food we grow.

Explanation:

<h2>Marke me a brainlist</h2>
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If a DNA strand has 32 % guanine, what percent thymine does it contain?
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Answer:

B

Explanation:

Guanine and Cytosine pair together. So, if 32 percent is guanine, then 32 percent should also be cytosine. This is a total of 64 percent. The remaining 36 percent is split between thymine and adenine. So, Thymine will have half of 36 percent which is 18 percent.

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How many significant digits are in 4,050?<br> -1<br> -2<br> -3<br> -4
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sp2606 [1]

Answer:

Explanation:

The color of our hair, skin, and eyes is determined by the same thing: the amount of pigment they have. The pigment that causes dark hair, skin, and eyes is called melanin. Melanin is made in special cells in the body called melanocytes.

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They are to wait for at least one year.

Explanation:

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