Question
Which of the following statements is correct? [3 MARKS]
a) Collection of rainwater in overhead tanks helps in conservation of water.
b) Rainwater is responsible for replenishing of groundwater and collecting it would hamper the process. This practice would decrease water table levels and would make it difficult for us to access water.
a) Collection of rainwater in overhead tanks helps in conservation of water.
b) Rainwater is responsible for replenishing of groundwater and collecting it would hamper the process. This practice would decrease water table levels and would make it difficult for us to access water.
Answer:
:
Explanation : 3 Marks
It is true that rainfall is a major source of recharging groundwater but collecting rainwater is a good practice.
Generally, rainwater flows through the ground to the rivers, ponds, and lakes. In this process, rainwater seeps into the ground and recharges groundwater. But, in comparison to the amount of water we receive as rainfall, the amount of water we can collect is negligible.
Further, the water we use goes into the sewage which is ultimately treated and let out into rivers. From there it infiltrates thegroundwater.
Moreover, the rainwater can be used for our day to day workand in order to access the same amount of water from the groundwater, we need to dig wells or boreholes to set up a pipe system. So,collecting rainwater is a good habit and the first statement is correct.
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:
Explanation : 3 Marks
It is true that rainfall is a major source of recharging groundwater but collecting rainwater is a good practice.
Generally, rainwater flows through the ground to the rivers, ponds, and lakes. In this process, rainwater seeps into the ground and recharges groundwater. But, in comparison to the amount of water we receive as rainfall, the amount of water we can collect is negligible.
Further, the water we use goes into the sewage which is ultimately treated and let out into rivers. From there it infiltrates thegroundwater.
Moreover, the rainwater can be used for our day to day workand in order to access the same amount of water from the groundwater, we need to dig wells or boreholes to set up a pipe system. So,collecting rainwater is a good habit and the first statement is correct.
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