oxygen
Oxygen is the gas given out by green plants during photosynthesis.
Yes
Oxygen
oxygen.
oxygen
oxygen
Carbon dioxide is the gas given off by humans through respiration, and it is used by plants during photosynthesis to produce oxygen and glucose. This relationship between humans and plants is an essential part of the Earth's carbon cycle.
oxygen
carbon dioxide
during photosynthesis plants take in carbon dioxide and give out oxygen
Oxygen
Oxygen is given off as a waste product.