Yes,because he investigate it
Answer:
The crops has extracted the nitrates from the soil
Explanation:
Complete question
Why?
Solution
The crops has extracted the nitrates from the soil for its nourishment and metabolic requirement. Hence, the concentration of nitrate after the crop cultivation has reduced as compared to the concentration of nitrate prior to the crop cultivation.
Answer:
Cyanobacteria used sunlight to divide water molecules, generating energy for their cells while also releasing oxygen into the atmosphere.
Explanation:
That was my answer on edmentum.