Which of the following can be used as a method to reduce air pollution?

Using bicycle for transportation

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Reducing the use of firecrackers

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Planting more trees

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All of these

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Solution

The correct option is D
All of these

In the following ways we can help in the reduction of air pollution:

i. Using bicycle for transportation wherever possible.
ii. Reducing the use of firecrackers.
iii. Planting more trees.
iv. Using public transport.
v. Not burning wood as it releases a large amount of smoke.

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Similar questions

Which of the following can be used as a method to reduce air pollution?

Of the following statements choose the correct statement :
A) Grease is used to reduce friction in the bicycle chain.
B) Ball bearings are used to reduce friction in a fan.
C) Oil can be used to increase friction in a car engine.
D) Talc can be used to reduce friction in a carrom board.

Q. Anita wishes to reduce air pollution. Which vehicle should she use as a mode of transportation?

Statement: Should there be a complete ban on manufacture and use of firecrackers?

Arguments:
I. No. This will render thousands of workers jobless.
II. Yes. The firecracker manufacturers use child labour to a large extent.
III. Yes. This will be a concrete step to reduce noise and air pollution.
IV. No. Use of firecrackers makes certain special occasions more lively and joyful.

Of the following statements choose the correct combination that helps reduce friction:
A) Grease is used to reduce friction in bicycle chain
B) Ball bearings are used to reduced friction in a fan
C) Oil can be used to increase friction in a car engine
D) Talc can be used to reduce friction when an object is sliding on a surface.

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