|
|
2
|
Acid rain cause
|
4
|
Discharge of sewage water in water bodies promotes excessive growth of algae
|
5
|
Average weather of an area
|
6
|
Layer protect us from harmful UV rays
|
7
|
Disease caused by mercury
|
8
|
Multilayered, transparent, protective envelope of gases
|
9
|
Indicator of Sulphur dioxide pollution
|
10
|
Essential component of amino acids, proteins, enzymes etc.
|
|
|
|
|
1
|
Cycling of nutrients is known as
|
3
|
Top layer of earth's surface
|
|
|