Question

I will give you brainniest.

Gas exchange between humans and plants involves
A)humans giving NHz to plants and plants giving H20 to humans
B)humans giving Oz to plants and plants giving CO2 to humans
C)humans giving C02 to plants and plants giving O, to humans
D)humans giving H20 to plants and plants giving H202 to humans​

Answer 1

it has to be c?

Step-by-step explanation:

plants give off oxygen. and humans breathe out co2.

Answer 2

The answer should be C!
Humans breathe in oxygen (O) and release C02
Plants use C02 and release oxygen! (O)