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Subjects
Science CBSE
Class 9
Natural resources
Natural resources - Air, water, soil
3.
Water: choose the correct answer
Exercise condition:
2
m.
1
.
These are the ways to prevent water pollution.
Eutrophication
Green agriculture
Refuse dumps
2
.
__________ poisoning is caused due to water pollution.
Calcium
Shellfish
Aquatic plants
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