a. Give two examples of each of water, soil
and air pollution from your residential
area.
b. How does the pollution occur due to
vehicles? Give the names of vehicles
causing least pollution.
c. What are natural reasons for water
pollution?
d. Suggest four preventive measures for air
pollution.
e. Explain relation between green house
effect and global warming.
f. Construct two slogans each on air, water
and soil pollution.
11
mollutants into
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Answer:
a.putting factory waste in to the water
.sand minning from rivers
....vehicle smoke
b.vehicle smoke pollute the air
... electric vehicles has low pollute
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