|
What are the harmful effects of ozone?
|
|
0
|
887
|
March 20, 2018
|
|
How is carbon dioxide fixed?
|
|
0
|
2618
|
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
|
680
|
March 20, 2018
|
|
What causes acid rain?
|
|
0
|
945
|
March 20, 2018
|
|
What is smog .?
|
|
0
|
5718
|
March 20, 2018
|
|
How is ozone layer useful to us?
|
|
0
|
5106
|
March 20, 2018
|
|
Why is it necessary to conserve natural resources? How can they be conserved?
|
|
0
|
2339
|
March 20, 2018
|
|
What are the sources of oxygen in the atmosphere
|
|
0
|
956
|
March 20, 2018
|
|
Why is replenishment of forests necessary?
|
|
0
|
1800
|
March 20, 2018
|
|
Describe the steps and processes involved in the nitrogen cycle
|
|
0
|
2407
|
March 20, 2018
|
|
Describe the water cycle
|
|
0
|
950
|
March 20, 2018
|
|
How can we control soil pollution?
|
|
0
|
732
|
March 20, 2018
|
|
What are the effects of soil pollution?
|
|
0
|
2185
|
March 20, 2018
|
|
What are the sources of soil pollution?
|
|
0
|
746
|
March 20, 2018
|
|
How is carbon stored in our planet?
|
|
0
|
1076
|
March 20, 2018
|
|
What is the importance of water for plant life?
|
|
0
|
1819
|
March 20, 2018
|
|
How has industrialisation led to an increase in air pollution?
|
|
0
|
2852
|
March 20, 2018
|
|
Why is the circulation of carbon in nature important?
|
|
0
|
1555
|
March 20, 2018
|
|
What will be the consequences of global warming?
|
|
0
|
8832
|
March 20, 2018
|
|
How are CFCs harmful for the environment and living beings
|
|
0
|
2128
|
March 20, 2018
|
|
Give the names of a few organisms that help in nitrogen fixation
|
|
0
|
1022
|
March 20, 2018
|
|
What are the harmful effects of water pollution?
|
|
0
|
708
|
March 20, 2018
|
|
Describe the major factors which lead to water pollution. Give examples
|
|
0
|
1478
|
March 20, 2018
|
|
What is photochemical smog and what are its effects?
|
|
0
|
720
|
March 20, 2018
|
|
What is the role of plants in controlling air pollution?
|
|
0
|
3613
|
March 20, 2018
|
|
"Soil is formed by water.” If you agree to this statement then give reasons for your answer
|
|
0
|
4636
|
March 20, 2018
|
|
Why is replenishment of soil essential?
|
|
0
|
1845
|
March 20, 2018
|
|
Enlist the main causes of soil erosion
|
|
0
|
730
|
March 20, 2018
|
|
How is the life of organisms living in water affected when water gets polluted?
|
|
0
|
2384
|
March 20, 2018
|
|
How can the water released from dams affect the aquatic life?
|
|
0
|
1285
|
March 20, 2018
|