Question

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Answer 1

Answer:

J. 1 In case of burns we should wash the affected part with cold water.

2. Seasons are formed due to revolution of Earth.

3. Solar energy is the energy from sun. It is useful as it is used to generate electricity.

4. The process of change from liquid to gas on heating is called condensation. Ex: Water on heating changes into gas.

5. Simple machines make our work easier. Ex:Pulley, wheel and axle.

Explanation:

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