Q23 of 37 Page 111

Select the eco-friendly activity among the following

Use of Wind-mills for generating power for irrigation is an ecofriendly activity because Wind is a natural resource and is a renewable resource. Moreover, it doesn’t provide any harm to the nature.

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Khadins, Bundhis, Ahars and Kattas are ancient structures that are examples for

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Pick the right combination of terms which has no fossil fuel.

 24

It is important to make small check dams across the flooded gullies because they

i. hold water for irrigation


ii. hold water and prevent soil erosion


iii. recharge ground water


iv. hold water permanently

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Prepare a list of five items that you use daily in the school. Identify from the list such items that can be recycled.