Answer:
D
Explanation:
You can immediately eliminate B and C. So between A and D, D is the best answer.
Answer:
b
Explanation:
breath in oxygen, breathe out co2.
plants breathe in c02, breathe out oxygen
Answer:
option C is correct answer of this question
Isn’t that like tectonic palges
Answer:
Each is used to break down substances.
Explanation:
Enzymes merely speed up a chemical reaction, not necessarily break down substances.
