Answer:
CO2
Explanation:
as plants inhales carbon dioxide
Open systems are the most common in nature
There are 4 emergent layer, canopy layer, understory, and forest floor
Cellular respiration is the process that cells use to break down food to use as an energy. Aerobic cellular respiration uses oxygen and yields many more ATP molecules than anaerobic cellular respiration, which does not use oxygen and yields only two ATP molecules.
