Question

Quest.3. Answer the following question in one word-
a) An organ c material which determines the fertility of soil.
b) The country which has highest percent of forest land.
c) To the hilly terrains the major and widely spread natural disaster.
d) The suitable method of soil conservation in hilly areas.
e) Ecosystem is interdependence between
f) The percent of fresh water is available and fit for human use.
Quest.4. Very short answer question -
IL
Which country has the highest percentage of land under pasture?
What are the major threats to soil as a resource?
What method of soil conservation is used in costal and dry regions?
Why is the ocean water not fit for human consumption?
What are the major types of vegetation in the world?
IV.
Quest.5.Answer the following question in short-
a) What percentage of earth is covered by land?
b) How are the vultures important to environment?
c) Which areas are sparsely populated or uninhabited?
d) Why land is considered an important resource?
e) Which countries in the world are facing water shortage?
Ques.6.Answer the following -
1. Explain the factors effecting soil?
2. Write short note on the conservation of the environment?
3. What is wildlife? Discuss in detail?
4. How can we conserve water?
5. What is the importance of natural vegetation?
6. What is CITES? Explain.​

Answer 1

Explanation:

a)nitrogen

b)Russia

c)Landslides

d) Contour ploughing: this refers to ploughing along contour lines. (ii) Terrace farming: construction of steps along the hilly areas by cutting the rock layers to reduce the flow of rivers. (iii) Plugging of gullies to prevent gully erosion.

f)2%