18. Decreasing the concentration of CO2 will have what effect on the rate of photosynthesis? *
O a. It will increase
O b. It will decrease
O c. It will stay the same
O d. It depends on the species

it will decrease

Explanation:

Because the increase temperature will favor the wasteful process

affects the water bodies: excessive use of fertilizers causes eutrophication. the fertilizers which are used on plants affect the quality of land on which it is used, further causing erosion of soil. the fertilizers used on plants contain harmful chemical fumes which affect the environment.