Question

How you can prove that air is present around us using the example of paper windmill ?

Answer 1

The envelope of air that surrounds the earth is known as atmosphere. Atmosphere is essential for life on earth. Aquatic animals use dissolved air in water for respiration. Plants and animals depend on each other for exchange of oxygen and carbon dioxide from air.

Answer 2

Answer:

Say true or false.

i) India is a land of Lord Buddha and Guru Nanak, ii) Satyarthi did not accept the award.

iii) Satyarthi feels liberated when he frees a child from slavery.

iv) Kaalu Kumar was from Pakistan.