Question 13 Marks
List five activities that are possible due to the presence of air.
Answer
View full question & answer→Activities that are possible due to the presence of air are as follows:
$(1)$ Rotating of paper firki.
$(2)$ Weather cock shows the direction in which air is moving.
$(3)$ Blowing air (wind) is used for power generation by windmills.
$(4)$ Air helps in burning of fuels and substances.
$(5)$ Air helps in the scattering of seeds and pollens of plants.
$(6)$ Air helps yachts, gliders, parachutes and aeroplanes in their movement.
$(1)$ Rotating of paper firki.
$(2)$ Weather cock shows the direction in which air is moving.
$(3)$ Blowing air (wind) is used for power generation by windmills.
$(4)$ Air helps in burning of fuels and substances.
$(5)$ Air helps in the scattering of seeds and pollens of plants.
$(6)$ Air helps yachts, gliders, parachutes and aeroplanes in their movement.