Movement of a clock pendulum is __________ .
a periodic change
an irreversible change
a desirable change
a chemical change
Answers
Answered by
5
Answer:
A periodic change.
Explanation:
It moves at every time to time.
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Answered by
2
Answer:
CHEMICAL CHANGE
EXPLANATION:
When you chemically change a substance, it is generally not a reversible process. In the cases where chemical changes can be reversed, the system is usually in a form of equilibrium and it involves a second chemical change to reverse the original chemical change.
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