CBSE /Class 7
Science MCQ Based On Water introduction and importance of water
Our free online Science test quiz for Class 7, CBSE will assist you to improve your Science skills on every concept in a fun interactive way.
CBSE Class 7 Science Water introduction and importance of water
Recall sources of water
Most of this water present on earth in different sources is not fit for human consumption
Water can occur in three states
Recharge can help move excess salts that accumulate in the root zone to deeper soil layers, or into the groundwater system
Recall about water
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