Which of the following type/s of pollution affected all forms of life?
a) air pollution
b) water pollution
c) land pollution
d) both a and b
Which of the following type/s of pollution control will help to conserve endangered species?
a) air pollution
b) water pollution
c) land pollution
d) both a and b
What is the step to be taken to reduce air pollution?
a) increase use of fuel
b) thermal power plant
c) shift of clean energy sources
d) all of these
The use of wind and solar energy is replacing …..power station.
a) coal
b) water
c) oil
d) both a and c
Which types of vehicles are becoming popular day by day?
a) fuel
b) coal
c) thermal
d) electrical
Protection of clean……sources is a challenge.
a) water
b) air
c) land
d) oil
