It changes the chemical composition in order to improve the growth of plants, what is it? ?

Question

its about environmental science

Answer 1

Of the three primary nutrients a plant needs (nitrogen, potassium, and phosphate), nitrogen is the one most correlated with plant growth. On second thought, I now agree with the answer below me: the sun.

Answer 2

sunlight does, through photosynthesis it changes chmical composition and becomes food for a plant??? I am trying to learn more of the math sciences too just a try of my own