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प्रश्न
Which of the following statements is incorrect?
विकल्प
All living things require air to breathe.
We can feel air but we cannot see it.
Moving air makes it possible to fly a kite.
Air is present everywhere but not in soil.
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उत्तर
Air is present everywhere but not in soil.
Explanation:
Air is omnipresent and is present in soil too. This can be inferred by adding water to a pot filled with a lump of soil. After adding water it can be observed that the soil absorbs all the water and air bubbles are formed. These air bubbles show the escaping air.
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