|
What methods should be employed for conserving water resources?
|
|
0
|
909
|
March 20, 2018
|
|
Name the properties of potable drinking water
|
|
0
|
1216
|
March 20, 2018
|
|
. Name the major industrial air pollutants
|
|
0
|
663
|
March 20, 2018
|
|
In coastal area, wind current moves from the sea towards the land during day but during night it moves from land to the sea. Discuss the reason
|
|
0
|
1082
|
March 20, 2018
|
|
Why is carbon dioxide produced in large extents?
|
|
0
|
1306
|
March 20, 2018
|
|
Why does life not exist on Venus and Mars while it exists on Earth?
|
|
0
|
1677
|
March 20, 2018
|
|
Following are a few organisms (
|
|
0
|
1907
|
March 20, 2018
|
|
Rivers from land add minerals to sea water. Discuss how
|
|
0
|
2359
|
March 20, 2018
|
|
Carbon dioxide is necessary for plants. Why do we consider it as a pollutant?
|
|
0
|
3024
|
March 20, 2018
|
|
Why are oceans salty?
|
|
0
|
1246
|
March 20, 2018
|
|
Justify the statement ‘The nitrogen cycle is supposed to be an ideal cycle in the biosphere’
|
|
0
|
2204
|
March 20, 2018
|
|
The flow of energy is unidirectional whereas the biogeochemical transfer is cyclic. Why is it so?
|
|
0
|
3231
|
March 20, 2018
|
|
What do you mean by biological nitrogen fixation?
|
|
0
|
2139
|
March 20, 2018
|
|
What would happen if the Sun heated the Earth’s surface equally everywhere?
|
|
0
|
1699
|
March 20, 2018
|
|
How do fossil fuels cause air pollution?
|
|
0
|
2068
|
March 20, 2018
|
|
Explain the role of the Sun in the formation of soil
|
|
0
|
1569
|
March 20, 2018
|
|
What makes the biosphere dynamic but stable system?
|
|
0
|
1544
|
March 20, 2018
|
|
What are the factors determining the soil type?
|
|
0
|
858
|
March 20, 2018
|
|
What are aerosols?
|
|
0
|
1053
|
March 20, 2018
|
|
Why does water need conservation even though large oceans surround the land masses?
|
|
0
|
1162
|
March 20, 2018
|
|
Write the major uses of water
|
|
0
|
1195
|
March 20, 2018
|
|
What are the two main sources of air pollution?
|
|
0
|
1032
|
March 20, 2018
|
|
How is a balance maintained in the environment?
|
|
0
|
1274
|
March 20, 2018
|
|
Why is it said that nitrogen is very important for us?
|
|
0
|
1294
|
March 20, 2018
|
|
Explain some harmful effects of agricultural practices on environment
|
|
0
|
1141
|
March 15, 2018
|
|
Suggest a few useful ways of the utilising waste water
|
|
0
|
3986
|
March 15, 2018
|
|
What is importance of forest as a resource?
|
|
0
|
4083
|
March 15, 2018
|
|
Prepare the list of five activities that you perform daily in which natural resources can be conserved or energy utilisation can be minimised
|
|
0
|
2270
|
March 15, 2018
|
|
“What was Chipko Andolan”? How did this Andolan ultimately benefit the local people and the environment?
|
|
0
|
5118
|
March 15, 2018
|
|
List any four advantages of water harvesting
|
|
0
|
6725
|
March 15, 2018
|