Question

Define pie.

What ate two types of Canal. Mention their merit & demerits.​

Answer 1

Answer:

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▪ Define pie

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▪ Pie (π) is the circumference of any circle divided by it's diameter.

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▪ What are two types of Canal. Mention their merit and demerits.

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▪ Two types of Canal:-

• Permanent Canal: A permanent Canal is a type of canal in which water is available throughout the year.
• Inundation Canal: Inundation Canal is a type of Canal in which water is available only during the flood period.

Merits:- These are effective means of irrigation.

• they generated income to government.
• They cover large area for irrigation.
• Canals are effective to sustain drought.
• Carry sediment which enrich the fertility of soil.

Demerits:- Cause problem of waterlogging and alkalinity in the peripheral area.

• Irrigation through water often causes wastage of water.
• Cause distribute regarding share of water.
• Danger of spreading water borne disease in peripheral area.

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