Exercise on paragraphs 9,10 — task. English Language State Board, Class 9.

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எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

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1. What is the meaning of contour cultivation?

Planting across a slope following its elevation border lines.
Process of building walls around water bodies to hold back water.

2. Why is water the basis of all life?

Water level have to checked at regular intervals.
Water is present in all the plants and animals.

3. Apart from artesian water, what is our ultimate source of water?

Rain and snowfall.
Rainfed storage tanks.

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