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Page No 194: - Chapter 14 Natural Resources class 9 ncert solutions Science - SaraNextGen [2024]


Question 1:

Why do organisms need water?

Answer:

Organisms need water for the following reasons:

(i) All cellular processes need water as a medium. Usually, the reactions that take place in our body or within the cells occur between substances that are dissolved in water.

(ii) Since most of the substances are transported in a dissolved form, water is necessary.

 

Question 2:

What is the major source of fresh water in the city/town/village where you live?

Answer:

River is a major source of fresh water.

 

Question 3:

Do you know of any activity which may be polluting this water source?

Answer:

The discharge of waste water from homes, industries, hospitals, etc. into the river pollutes this fresh water source.

Also Read : Page-No-196:-Chapter-14-Natural-Resources-class-9-ncert-solutions-Science

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