The Answer is (A)
Because the pesticide will kill off the bugs and weeds but will damage the soil so after the crops you have in the ground now just will not grow there again until 1 year after the pesticide has washed away
hope I helped
Answer:
Cyanobacteria are responsible for first adding oxygen to the Earth's atmosphere.
Dependent. Density dependent factors is what is being described.
Plants produce oxygen and glucose as a result of photosynthesis