Q31 of 287 Page 362

Where is the major part of fresh water bound up?

2.5-2.75% of water on earth is fresh water. The major part of this fresh water is present in glaciers, ice and snow (1.75-2%), 0.5-0.75% as fresh groundwater and about 0.01% as surface water in lakes and rivers.


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(i) Oxygen (ii) Carbon monoxide

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