Answer:
Plants respire all the time, whether it is dark or light, because their cells need energy to stay alive. But they can only photosynthesize when they have light.
Explanation:
Mark as brainliest
Answer:
the body loses its ability to fight infections
Answer:
It's a compound
Explanation:
A compound is two or more elements joined together. The fact that two oxygen particles and a carbon particle is joined together means it's a compound.