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प्रश्न
Fill in the blank
Polluted air is harmful to ____.
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उत्तर
Polluted air is harmful to health.
APPEARS IN
संबंधित प्रश्न
Give a brief account of the discovery of air and the scientists involved.
Name the following.
Gases that are harmful to the ozone layer
Explain Lavoisier’s experiment which provided evidence to the discovery of components in air.
Fill in the blank:
The gas evolved as a product of combustion as well as respiration is ______.
Name a device which uses wind energy to generate electricity.
Take a squeezable bottle. Make a hole on the lid and close the bottle tightly. Bring the bottle near your face and press the bottle. What do you feel?
The process of conversion of iron into hydrated form of oxides is called _______.
List five activities that are possible due to the presence of air.
______ is important for all living creatures.
A list of words is given in a box. Use appropriate words to fill up the blank in the following statement.
The ______ makes the windmill rotate.
