Directions:: Circle the corect answers
1) Assimilation is an important step in the nitrogen cycle because.....
a it is the step where bacteria comvert atmospheric nitrogen into a more usable form
b. It is the step where bacteria convert nitrates from the soill back into the atmospheric nitrogen
c. It is the step where plants uptake nitrates from the soill
d.
It is the step where bacteria comvert ammonia to nitrites and then nitrates