Question

Exercises
(A) Answer in short.
1. Why should we store water?
2. What were the traditional ways of storing water in the house
3. What is a dam built on?
4. What must we keep in mind while using water?
5. What is water pollution?
(B) How can water be saved in places with water shortage?
Suggest what can be done.
(C) What good habits must we cultivate in order to use water econ
(19)​

Answer 1

Answer:

1) we should store water for using it in the future and for saving water since there is not much left in earth.

4) we must not waste it . we should keep some for our next generation too.

5) pollution of water due to wastes chemicals and pollution. when we throw rubbish and plastics into water, when chemical wates are left in water untreated, we pollute water, which makes it unfit for drinking or irrigational usage. it also harms organisms such as marine animals, and animals which drink that water.

B) we can use sprinkler and drip irrigation. use less watewr tol fullfill needs

we can use rain water harvesting

c) turn off water when brushing. use ikt only when rinsing

use less water when bathing

use buckets dont use shower or tubs.

dont wash cars or wast water such as playing with it

Explanation:

Answer 2

The answers are as follows:

A1. We should store water to reduce the wastage of water and save water for future needs.

2. During the early time, water was traditionally stored in the house in mud pots. Keeping water in mud pots keeps the water cool.

3. A dam is always built over a river or stream. It is built to store water from the river and control the flow of water.

4. While using water, we must keep in mind that water should not be wasted. There is little fresh water left on Earth and we should conserve our water resources.

5. Water pollution refers to the contamination of water resources by chemical fertilizers, untreated sewage, vehicle fumes, etc.

B. The methods of water storage are as follows:

• Rainwater harvesting- Saving the rainwater in underground pipelines is an effective method of water conservation.
• Storing water in tanks and wells is also very helpful.

C. The good habits that we must cultivate to use water economically are as follows:

• Use buckets to bath. Avoid the usage of the shower.
• Recycle water by using them in car washing, gardening, etc.
• Turn off the tap while brushing.