The following factors would contribute to environmental pollution except
-
A.
production of ammonia -
B.
manufacture of cement -
C.
photosynthesis -
D.
combustion
Correct Answer: Option C
Explanation
Photosynthesis is the process of food-making in plants, it doesn’t have any by-products that pose a threat to the environment. Infact, the plants use our waste product of respiration (Carbon dioxide) and uses it for the photosynthetic process and gives off oxygen as by-product.