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प्रश्न
How is air useful to windmills?
उत्तर
Windmills work where there is sufficient movement of air.
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संबंधित प्रश्न
Why can’t we see air?
Name two important processes supported by oxygen present in air.
Tick (√) the correct alternative from the choice given for the following statement.
Respiration
Why is it said that-
Air is a homogeneous mixture of various gases.
Name the important scientists and their studies which led to the discovery of the components of air.
Fill in the blank:
Nitrogen of the air is utilized by plants for formation of _____.
Complete the statement given below by filling in the blank with the correct word/s from the word/s given below
____________ is an example of a pollutant present in the air.
What is wind energy?
Mention two advantages of wind energy.
Do sailors need the help of wind to sail?
