answer in detail
3. What are the important features of contour farming and terrace farming? How are they helpful
in soil conservation?
4. Which factors are responsible for the qualitative decline in the purity of water resources?
5. Describe any six measures to promote conservation of water.
i need qnswers from inside of footprints s.s book
Answers
Explanation:
ans 1 Contour farming can reduce soil erosion by as much as 50 percent compared to up and down hill farming. By reducing sediment and runoff and increasing water infiltration, contouring promotes better water quality.
ans 2 Industrialization and water scarcity are the main causes of the qualitative decline in the purity of water. The overuse and misuse of water is drastically affecting the amount of quality water resources we have.
ans 3 Five measures adopted for conservation of water resources are
(i) Construction of multi-purpose projects and canals.
(ii) Solving river water disputes quickly.
(iii) Inter-basin transfer of water.
(iv) Measures to raise underground water table.
(v) Rainwater harvesting and watershed development.
(vi) Avoiding pollution of water bodies.
(vii) Preventing the wastage of water.
Answer for 3rd question