B because a and c are incorrect and in letter d it states earth has no protection at all. And it DOES have protection B is most definitely true
They form in very bad storms or changing temps!
Answer:
Amino Acids are a type of organic compound that can combine to from proteins. Foods with good Amino Acids include meat, eggs, tofu, soy and dairy. The key elements of an amino acid are carbon, hydrogen, oxygen, and nitrogen.
Answer:
it demostrate thatcellulose starch and carbohydrate are essential for plants
Answer:
The second one?
Explanation:
That's very complicated but from what I can tell it looks like it would be the second answer
