Chemistry, asked by sameekshacvps, 7 months ago

please answer the questions

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Answered by brainlycamila

Explanation:

Paleolithic tools were made of wood, stone and animal bones. ... Neolithic era tools were more sophisticated. A variety of tools were invented in the New Stone age, such as sickle blades and grinding stones for agriculture, and pottery and bone implements for food production.

Answered by pravinadhao68

All are Physical Changes

Explanation:

The property of the substances is not changed

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