MEDIUM
8th CBSE
IMPORTANT
Earn 100

How are petroleum and natural gas formed?

Important Questions on Natural Resources

MEDIUM
8th CBSE
IMPORTANT

What is shifting cultivation? What impact does if have on forests?

MEDIUM
8th CBSE
IMPORTANT
In what different ways does large-scale logging for timber destroy forests?
MEDIUM
8th CBSE
IMPORTANT
How does deforestation cause floods and droughts?
MEDIUM
8th CBSE
IMPORTANT
Write briefly about the stages in the formation of coal.
EASY
8th CBSE
IMPORTANT
For the rural poor in developing countries _____ is the primary source of energy. (LPG / fire wood)
MEDIUM
8th CBSE
IMPORTANT
The process by which the carbon content of coal increases is called _____(carbonisation/sulphonation).
MEDIUM
8th CBSE
IMPORTANT
Energy derived from animal excreta and plant waste is called _____ energy. (biomass/electrical/chemical)
EASY
8th CBSE
IMPORTANT
A natural fountain of hot water and steam is called a _____.