Give a geographical reason for each of the following:

(i) Need to adopt different means of irrigation.

(ii) Need for conserving water.

(iii) Man is responsible for water crisis.

Rajasthan faces water scarcity, particularly in dry areas. The government has initiated water harvesting projects to enhance water availability.

(i) What is meant by water harvesting?

(ii) State the objectives of water harvesting schemes.

What is meant by the term 'water scarcity'? What has caused this scarcity in India?

Give a geographical reason for each of the following:

(i) Inundation canals are being converted to perennial canals.

(ii) Tank irrigation is preferred over other means of irrigation in Peninsular India.

(iii) Groundwater reserves are depleting at a fast rate.