carbon dioxide
Carbon dioxide gas.
Plants need carbon dioxide gas to perform photosynthesis and make food.
Carbon Dioxide
CO2
carbon dioxide dude. =)
carbon dioxide
Plants make oxygen when they use light and carbon dioxide to make food for themselves.
Plants add oxygen to the atmosphere during photosynthesis or food making.
carbon dioxide used by plants in photosynthesis
Carbon dioxide
a- roots b-stem c-leaves d-roots and stem
Carbon Dioxide (CO2)