Explanation:
To protect the animals, plants, and more. Without having the habitats they'll die/go extinct. The plants will soon rot/wither away.
<span>C. less energy than X-rays and gamma rays.
Hope this helps!
</span>
I'm pretty sure the answer is C, there are 4 nitrogenous bases involved.
<span>1) Adenine
2) Guanine
3) Thymine
4) Cytosine</span>
External parts of the pig