Write the three difference between soil pollution and soil erosion for class 7
Answers
Explanation:
The ability of litmus paper to change color when exposed to an acid or base is a result of litmus paper being infused with lichens. In the plant world, lichens are unique in that they are actually two distinct organisms, a fungus and an alga, living as one.
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Answer:
Soil erosion - The removal of fertile top soil land by wind or water is called soil erosion. Soil erosion occurs easily in those areas of land which are not covered by vegetation (trees and other plants) or have very little vegetation. The soil does not become loose easily and the flowing rainwater is not able to carry away top-soil
Soil pollution - the contamination of soil with waste materials (especially used polythene bags and plastics), pesticides, fertilisers, acid rain and industrial chemical wastes, etc.,