Question

match the items of column A with those in column B.
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Answer 1

Answer:

1. Chemicals like paints,insecticides - kill the microbes that help in purifying water
2. Tea leaves and food wastes - should not be thrown in sink but must be thrown in dustbins.
3. Eucalyptus trees - absorb all surplus wastewater rapidly.
4. Open drains - must be covered
5. Dirty water - wastewater
6. Period 2005- 2015 - International decade for action on water for life .
7. The sewage water has dissolved and suspense impurities known as - Contaminants.
8. Human faeces - organic impurities
9. Distance between two continuous manholes - 50-60 metres
10. Foul waste is generated - In toilets

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Answer 2

Answer:

a) 6.

b) 5.

c) 7.

d) 8.

e) 10.

f) 9.

g) 2.

h) 1.

i) 3.

j) 4.