the best answer is nitrogen since plants cannot fix nitrogen
carbon dioxide this is right ttyl
Answer:
A
Explanation:
Hopefully this helps.
Last option
Explanation: B DNA is a good approximation of the structure of DNA found in cells i.e. in both plant and animal cells, the most common structure of DNA observed is the B DNA.
its for the first onehypothesis
h
Chlorophyll-to trap enough light for photosynthesis
