Q.7 Short answer type questions. (Any 5)
(1) State at least two ways of conservation of water.
(2) What are the uses of artificial satellite.
(3) What are the causes of blindness?
(4) What are the causes of earth quake?
(5) What are the components necessary for the flow of electric current ?
(6) Differentiate between the noise and musical sound.
(7) Differentiate between contact and non contact forces. Give examples.
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please mark as brainlist please
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