Question

Chapter 14: Water (Recapitulation of Class VI) Subject matter Uses of water Dear students, you know that about 71% of the carth's surface is covered with water on this total amount of water of the earth only 25% is fresh water and rest 97.5% water is in the form of ice (except the ice present in the cloud) and stored under the ground of this 2.5% fresh water only 1.2% is useful to drink It has been seen that there is scarcity of water among the people along with the increase in population. According to the latest report of United Nations expressed in World meter the population in the world till the month of May, 2021 is 7.9 billion The average amount water required for a human being in a day is 20 - 40 litres, Healthy people need 27 litre of water in average for drinking every day. The whole world needs 5 billion cubic meter drinking water for a day You know very well, it has not become possible to supply pure drinking water for all yet too. That means, it is very important for us to conserve water consciously in case of use of water as natural resource. Are we economic and conscious in case of use of water? Let us justify the authenticity of the statement with the help of an activity Activity: Fill up the following table to know the total amount of water consumed by your own family members to do different works in a day Serial Na ure of work NO (a) Amount of Total water number of consumed by members one member of the in a day family Total amount Can the water of water used for the consumed by particular work the family in a be reused and do day (d)- (b)x(c) (e) you reuse? (litre) (c) (b) 1 For mouth washing and bathing X For dring 2​

Answer 1

Answer:

a

Explanation: