MEDIUM
4th CBSE
IMPORTANT
Earn 100

What can we do to prevent soil pollution?

Important Questions on The Clean World

MEDIUM
4th CBSE
IMPORTANT
LEARNING SCIENCE FOR SMARTER LIFE,>Chapter 13 - The Clean World>Test Match>Q D
Why do we need to cut the use of fossil fuels?
MEDIUM
4th CBSE
IMPORTANT
LEARNING SCIENCE FOR SMARTER LIFE,>Chapter 13 - The Clean World>Test Match>Q D
What harm do we cause to the environment by cutting down the forest?
MEDIUM
4th CBSE
IMPORTANT
LEARNING SCIENCE FOR SMARTER LIFE,>Chapter 13 - The Clean World>Test Match>Q D
Why should we practise the three R's? Give one example of each.
MEDIUM
4th CBSE
IMPORTANT
LEARNING SCIENCE FOR SMARTER LIFE,>Chapter 13 - The Clean World>Test Match>HOTS Questions
In some countries, old newspapers are collected and deinked so that they can be used for printing again. Give two advantages of doing this.
MEDIUM
4th CBSE
IMPORTANT
LEARNING SCIENCE FOR SMARTER LIFE,>Chapter 13 - The Clean World>Test Match>Value Based Question
One reason for the devastating floods of 2013 in Uttarakhand was deforestation. Do you agree with this? Give reasons for your answer. 
MEDIUM
4th CBSE
IMPORTANT
LEARNING SCIENCE FOR SMARTER LIFE,>Chapter 13 - The Clean World>Test Match>Indoor Activity

Categorize the given wastes into biodegradable and non-biodegradable materials. 

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