Answer:
i think its C sorry if I am wrong
Answer:
the plant respirate co2 when photosynthesis occur
It decomposes it and returns the nutrients to the ground.
The rules of base pairing explain the phenomenon that whatever the amount of adenine (A) in the DNA of an organism, the amount of thymine (T) is the same (Chargaff's rule). Similarly, whatever the amount of guanine (G), the amount of cytosine (C) is the same.