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Science TNSB Mentoring
Class 9
Environmental science
Conservation of water
7.
Pond construction
Question:
4
m.
Why is it impossible for all farmers to construct farm ponds in their fields
?
a
. Farm ponds
supports water conservation
supports sewage treatment
.
b
. The farm ponds helps the farmers to
raise water quality or to meet specific requirements
store water and to use for irrigation
.
c
. Farm ponds helps to serve as a
water source for irrigation
source of sewage water treatment
.
d
. All the farmers cannot construct farm ponds as
they occupy a small portion of the farmer's land
they occupy a large portion of the farmer's land
.
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