Pollution and its Harmful Effects
(آلودگی اور اس کے مضر اثرات):
Which of the following are the results of pollution?
a) earth dirty
b) unsafe
c) unhealthy
d) all of these
How many types of pollution?
a) 1
b) 2
c) 4
d) 5
Explanation:Explanation: land pollution, air pollution, water pollution, noise pollution, light pollution
Which of the following harmful substances are visible?
a) smoke
b) ash
c) chemicals
d) all of these
The deposition of solid or liquid waste materials into land leads to……….
a) air pollution
b) land pollution
c) water pollution
d) deforestation
Which of the following waste materials produce land pollution?
a) solid waste
b) construction
c) garbage
d) all of these
