Question

How do plants obtain food. Who do plants need nitrogen ? How do plants obtain it

Answer 1

plants obtain there food by the process of photosynthesis. plants need nitrogen to grown and they get it from the air when the rain is there the nitrogen present in the air get mixed up with soil

Answer 2

Hey here is your answer ,

The plants are obtained from photosynthesis process .
The plants doesn't able to used nitrogen directly from air to make food. to used nitrogen the process is done which is nitrogen fixation with the help of rhizobium bacteria which is presence in lignite plants .

Hope it will be helpful :)