|
What methods should be employed for conserving water resources?
|
|
0
|
946
|
March 20, 2018
|
|
Name the properties of potable drinking water
|
|
0
|
1253
|
March 20, 2018
|
|
. Name the major industrial air pollutants
|
|
0
|
697
|
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
|
1116
|
March 20, 2018
|
|
Why is carbon dioxide produced in large extents?
|
|
0
|
1350
|
March 20, 2018
|
|
Why does life not exist on Venus and Mars while it exists on Earth?
|
|
0
|
1720
|
March 20, 2018
|
|
Following are a few organisms (
|
|
0
|
1941
|
March 20, 2018
|
|
Rivers from land add minerals to sea water. Discuss how
|
|
0
|
2392
|
March 20, 2018
|
|
Carbon dioxide is necessary for plants. Why do we consider it as a pollutant?
|
|
0
|
3066
|
March 20, 2018
|
|
Why are oceans salty?
|
|
0
|
1279
|
March 20, 2018
|
|
Justify the statement ‘The nitrogen cycle is supposed to be an ideal cycle in the biosphere’
|
|
0
|
2241
|
March 20, 2018
|
|
The flow of energy is unidirectional whereas the biogeochemical transfer is cyclic. Why is it so?
|
|
0
|
3309
|
March 20, 2018
|
|
What do you mean by biological nitrogen fixation?
|
|
0
|
2175
|
March 20, 2018
|
|
What would happen if the Sun heated the Earth’s surface equally everywhere?
|
|
0
|
1771
|
March 20, 2018
|
|
How do fossil fuels cause air pollution?
|
|
0
|
2117
|
March 20, 2018
|
|
Explain the role of the Sun in the formation of soil
|
|
0
|
1611
|
March 20, 2018
|
|
What makes the biosphere dynamic but stable system?
|
|
0
|
1591
|
March 20, 2018
|
|
What are the factors determining the soil type?
|
|
0
|
892
|
March 20, 2018
|
|
What are aerosols?
|
|
0
|
1084
|
March 20, 2018
|
|
Why does water need conservation even though large oceans surround the land masses?
|
|
0
|
1200
|
March 20, 2018
|
|
Write the major uses of water
|
|
0
|
1229
|
March 20, 2018
|
|
What are the two main sources of air pollution?
|
|
0
|
1076
|
March 20, 2018
|
|
How is a balance maintained in the environment?
|
|
0
|
1306
|
March 20, 2018
|
|
Why is it said that nitrogen is very important for us?
|
|
0
|
1327
|
March 20, 2018
|
|
Explain some harmful effects of agricultural practices on environment
|
|
0
|
1176
|
March 15, 2018
|
|
Suggest a few useful ways of the utilising waste water
|
|
0
|
4041
|
March 15, 2018
|
|
What is importance of forest as a resource?
|
|
0
|
4126
|
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
|
2319
|
March 15, 2018
|
|
“What was Chipko Andolan”? How did this Andolan ultimately benefit the local people and the environment?
|
|
0
|
5157
|
March 15, 2018
|
|
List any four advantages of water harvesting
|
|
0
|
6768
|
March 15, 2018
|