Exercise on paragraphs 7,8 — 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. How can the flow of water be advantageous?

Conversion of rocks into soil.
Movement of silt and nutrients.

2. When can waterflow become disastrous?

If allowed to proceed unchecked, it can wash away the soil with the nutrients.
If allowed to proceed unchecked, it can convert the rocks into soil.

3. What is the greatest problem if soil erosion occurs?

Large quantities of water is wasted.
Large quantities of precious soil can be washed away.

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