Natural Resources
A motor car, with its glass totally closed, is parked directly under the sun.
The inside temperature of the car rises very high. Explain why?
Natural Resources
What are the causes of water pollution? Discuss how you can contribute
in reducing water pollution.
Natural Resources
How do fossil fuels cause air pollution?
Natural Resources
Why are root nodules useful for the plants?
Natural Resources
Why step farming is common in hills?
Natural Resources
Fertile soil has lots of humus. Why?
Natural Resources
“Soil is formed by water.” If you agree to this statement then give reasons
Natural Resources
Lichens are called pioneer colonisers of bare rock. How can they help in
formation of soil?
Natural Resources
There is mass mortality of fishes in a pond. What may be the reasons ?
Natural Resources
Why does water need conservation even though large oceans surround
the land masses?
