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Question
Distinguish between the following pair:
Deforestation and Afforestation.
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Solution
Deforestation: Deforestation (cutting down of forests) has been one of the most serious outcomes of the rising population to get land for cultivation and housing and to obtain timber and wood.
Afforestation: Forests are one of our renewable resources. By careful management and afforestation (planting more trees), we can maintain and even improve the existing forests.
RELATED QUESTIONS
Name any two renewable resources for the mankind.
Petroleum is a resource of the same category as that of ______.
List any three consequences of high population density.
What was directly responsible for the rapid rise of world population in the twentieth century?
Which of the following is an exhaustible source of energy?
Match the terms given in column A with those in column B.
| Column A | Column B | ||
| (a) | Forest | (i) | Arithmetic progression |
| (b) | Food | (ii) | Geometric progression |
| (c) | Population | (iii) | Deforestation |
| (d) | Coal | (iv) | Afforestation |
| (e) | Flash floods | (v) | Renewable source of energy |
| (vi) | Non-renewable source of energy |
Given below is a set of paired terms. The first pair indicates the relationship between the two terms. Rewrite and complete the second pair on a similar basis.
Cutting down of forests : Deforestation :: Planting more trees : ______.
Define the following term:
Resources
Distinguish between the following pair:
Exhaustible and Inexhaustible resources.
Distinguish between the following pair:
Conventional and Non-conventional sources of energy.
