Question

1. Which of the following is not a natural cause of water pollution? a. Volcanoes b. Algae blooms c. Animal waste d. Oil spills e. Silt from storms and floods​

Answer 1

It should be D: Oil spills :)

Answer 2

D

Step-by-step explanation:

Well because oil spillage is normally caused by man. Either intentionally spill the oil into water sources or people who bomb the oil pipe line, the oil may spill into the nearest water body