1.
Rivers, lakes and tank water gets polluted easily.
2.
Deforestation is the cutting or clearing of trees from the forest.
3.
Soil becomes unfit for farming or growing plants.
4.
All that surrounds and affects the life of an organism is called its environment.
5.
Option A
6.
Option A
7.
Option C
8.
Trees are cut for wood, agriculture and grazing.
9.
Forest provide us with many things like wood, honey, rubber, nuts, herbs etc.
10.
Option B
11.
Option D
12.
Reduce, reuse and recycle are the three 'R's to protect our natural resources.
13.
Water gets polluted because of dumping of wastes from factories, human and animals bathing and washing clothes.
14.
Reuse is to use an item again after it has been used before.
15.
Some plants such as Babool and Keekar is used to make gum.
16.
Option B
17.
Option D
18.
Earth day is celebrated to save the planet earth.
19.
Option B
20.
Option A
