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प्रश्न
How does an air conditioner help?
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उत्तर
An air conditioner keeps the temperature and moisture of the air in a room at comfortable levels (usually between 20° and 25° C and relative humidity of 35 – 70%).
संबंधित प्रश्न
Name any four natural regions of the world.
Why are coal and petroleum called fossil fuels?
What is the difference between sea water and fresh water?
What is meant by deforestation?
What happens when fossil fuels are burnt?
How many biogas plants have been set up in India under the National Biogas Development Programme?
What is the aim of dividing the world into natural regions?
What is the extension of prairies?
Differentiate between the following:
Humid regions and Sub-humid regions.
The trees in the Mediterranean region have oily leaves and the bark is quite thick. There is a high rate of transpiration.
