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प्रश्न
What are the effects of air pollution on human beings?
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उत्तर
Following are the effects of air pollution on human beings:
(i) Suspended particulate matter in air causes asthma, bronchitis and allergic cold.
(ii) Air pollutants cause irritation in the eyes, throat and lungs.
(iii) Hydrocarbon vapours cause cancer.
संबंधित प्रश्न
Why is the atmosphere essential for life?
Give one use for the following inert gase :
helium
Give one use for the following inert gase :
neon
Give one use for the following inert gase :
krypton
Give reasons to support the fact that air is a mixture.
Name the products formed when a candle burns in air.
Write down the composition of air.
Tick the object which gives out water vapour.
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Name two example for wind instruments.
How do we get cool water from a clay water pot on hot sunny days?
