|
What are the harmful effects of ozone?
|
|
0
|
840
|
March 20, 2018
|
|
How is carbon dioxide fixed?
|
|
0
|
2557
|
March 20, 2018
|
|
All the living organisms are basically made up of C, N, S, P, H and O. How do they enter the living forms? Discuss
|
|
0
|
640
|
March 20, 2018
|
|
What causes acid rain?
|
|
0
|
880
|
March 20, 2018
|
|
What is smog .?
|
|
0
|
5650
|
March 20, 2018
|
|
How is ozone layer useful to us?
|
|
0
|
5017
|
March 20, 2018
|
|
Why is it necessary to conserve natural resources? How can they be conserved?
|
|
0
|
2251
|
March 20, 2018
|
|
What are the sources of oxygen in the atmosphere
|
|
0
|
903
|
March 20, 2018
|
|
Why is replenishment of forests necessary?
|
|
0
|
1738
|
March 20, 2018
|
|
Describe the steps and processes involved in the nitrogen cycle
|
|
0
|
2337
|
March 20, 2018
|
|
Describe the water cycle
|
|
0
|
865
|
March 20, 2018
|
|
How can we control soil pollution?
|
|
0
|
676
|
March 20, 2018
|
|
What are the effects of soil pollution?
|
|
0
|
2123
|
March 20, 2018
|
|
What are the sources of soil pollution?
|
|
0
|
679
|
March 20, 2018
|
|
How is carbon stored in our planet?
|
|
0
|
1004
|
March 20, 2018
|
|
What is the importance of water for plant life?
|
|
0
|
1742
|
March 20, 2018
|
|
How has industrialisation led to an increase in air pollution?
|
|
0
|
2777
|
March 20, 2018
|
|
Why is the circulation of carbon in nature important?
|
|
0
|
1493
|
March 20, 2018
|
|
What will be the consequences of global warming?
|
|
0
|
8763
|
March 20, 2018
|
|
How are CFCs harmful for the environment and living beings
|
|
0
|
2056
|
March 20, 2018
|
|
Give the names of a few organisms that help in nitrogen fixation
|
|
0
|
961
|
March 20, 2018
|
|
What are the harmful effects of water pollution?
|
|
0
|
617
|
March 20, 2018
|
|
Describe the major factors which lead to water pollution. Give examples
|
|
0
|
1416
|
March 20, 2018
|
|
What is photochemical smog and what are its effects?
|
|
0
|
642
|
March 20, 2018
|
|
What is the role of plants in controlling air pollution?
|
|
0
|
3556
|
March 20, 2018
|
|
"Soil is formed by water.” If you agree to this statement then give reasons for your answer
|
|
0
|
4577
|
March 20, 2018
|
|
Why is replenishment of soil essential?
|
|
0
|
1793
|
March 20, 2018
|
|
Enlist the main causes of soil erosion
|
|
0
|
675
|
March 20, 2018
|
|
How is the life of organisms living in water affected when water gets polluted?
|
|
0
|
2317
|
March 20, 2018
|
|
How can the water released from dams affect the aquatic life?
|
|
0
|
1242
|
March 20, 2018
|