Question

It is predicted that
by 2023, nearly two billion people will live in absolute water scarcity? it is difficult to imagine that
we may suller from water scarcity it is difficult to imagine that we may suffer from water scarcity
You may have alrendy realised that the
need of the hour is to conserve and manage our water resources.
Read the chapter water resources given in your Textbook and answer the following questions.
1. What is water scarcity and what are its main causes?
2. Discuss how rainwater harvesting in semi-arid regions of Rajasthan is carried out.​

Answer 1

Explanation:

A) Scarcity of water means shortage of water, an imbalance between demand and supply. Causes or the factors responsible for water scarcity are as follows:

.1. growing population which is the main cause of water scarcity. ... urbanization and industrialization which have increased the consumption of water.

B) In semi arid regions of Rajasthan rainwater harvesting is carried out in their own manner. ... These are big and are a part of well-developed rooftop rainwater harvestingsystem. These tanks are constructed inside the main house or the courtyard and are connected to the sloping roofs of the houses through a pipe.