Question

Explain why burning of wood and cutting it into small pieces are considered as two different types of changes.​

Answer 1

Answer:

Explanation:

Burning of wood is a chemical change while cutting of wood is a physical change because during burning, new substances are formed. After burning, we cannot get original substance, (i.e. wood) back.

Answer 2

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Environment is the sum total of conditions in which an organism has to survive or maintain its life process.

It influences the growth and development of living forms. In other words environment refers to those surroundings that surrounds living beings from all sides and affect their lives in toto.