The natural source of pollution is
A. rain forest
B. mining for minerals
C. forest fire
D. falling of meteoroids
The chemical substance used to destroy the weeds in crops is called
A. herbicides
B. monoxides
C. carob-oxides
D. pesticides
Besides the forest fires as natural source of pollution, the other major sources of pollution are
A. zonal settlement patterns
B. human activities
C. falling of meteoroids
D. nucleated settlement patterns
The harmful substance released by power plants and cars is
A. carbon dioxide
B. oxygen
C. potassium
D. magnesium
A. carbonization of soil
B. deoxygenating of soil
C. salinization of soil
D. oxygenation of soil
The reduce, reuse and recycle principle by which wastes can be reduced is classified as
A. waste organizer principle
B. waste management principle
C. RE principle
D. 3R principle