Which of the following is a way by which people adversely affect the environment ?
APlaying soccer
BDumping trash
CFlying kites
DBuilding dams
Building dams is far higher risk to the environment. Also, dumping biodegradable trash cannot be harmful to the environment. Answer should be D.
Ans 2:
Class : Class 6
Though building dams are far higher risks to the environment, I think the answer is (B) i.e. dumping wastes.
Land, water, soil and air pollution are primarily caused by illegal dumping. The harmful chemicals in the waste affect the physical environment and the waterways by contaminating groundwater and soil.
Moreover, you didn't mention in the question, that dumping wastes mean dumping biodegradable wastes....