photosynthesis!!!
Leaves from the plant absorb light from the sun. Leaves of plants also absorb the air that people breathe out, carbon dioxide
Nitrogen fixation is the process where atmospheric nitrogen is converted by bacteria into biologically usable forms.
plant can not take nitrogen directly from the leaves.
I think it would be the thrid
On a time graph the line will be flat. on a distance the line will increase at a predictible rate
