Navah writes out the chemical equation for photosynthesis. She includes two reacting molecules to the left of the arrow and two resulting molecules to the right. What must be added to the chemical equation to more accurately represent photosynthesis?
light energy, above the arrow
chlorophyll, to the left of the arrow
enzymes, to the left of the arrow
ATP, above the arrow

explanation:

b,bacteria convert nitrates

into nitrogen gas.

d,plants and animals take in

and use nitrogen compounds.

e,bacteria break down waste    

products and return nitrogen  

to the soil.

a,bacteria convert atmospheric

nitrogen to ammonia.

c,bacteria convert ammonia

to nitrites and nitrates.

b . streams flow into shallow areas.

f . movement of earth’s crust creates low areas that fill with water.