Question

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1. State some of the ways of bringing about changes in materials around us.​

Answer 1

Answer:

Some of the ways of bringing about changes in materials are by applying heat, light, electricity, or force. A substance undergoes a change to form a 'new substance' only when certain agents like heat, light, electricity or force etc are applied on it.

Explanation:

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Answer 2

Answer:

we can change water into ice by freezing

we can change vapors into water by condensation

we can change camphor into gas by sublimation

we can change our future by following right path

Explanation:

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