Question

which change are called permanent changes. Why
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Answer 1

Answer:

Permanent change is a change like if it is already changed it can't change back. Examples of permanent changes are:if a tree is grown it can't change back into a baby plant.

Explanation:

What are examples of permanent change?

The changes which matter undergoes can be classified as either temporary or permanent changes or physical and chemical changes.

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Other examples of permanent changes include:

Yellowing of plant leaves.

Decaying of plant and animal body.

Growth in plant and animal body.

Iron rust.

Burning of substances, etc.

Answer 2

Answer:

which can not be reversecible