Question

Which of the following is typically associated with a reduction in photosynthesizing plants in a water supply?

a.An increase in dissolved oxygen
b. A decrease in dissolved oxygen
c. An increase in phosphates
d. A decrease in phosphates

Answer 1

The answer is A: A decrease in dissolved oxygen.

The more plants using photosynthesis, the more oxygen in the air and in the water. The less plants, the less the oxygen. I AM SMORT. *MOGOLOVANIA INTENSIFIES

Answer 2

I think that the most suitable option is b. A decrease in dissolved oxygen. Because less photosynthesizing plants -> less dessolved oxygen.