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Periodic changes are the ones which take...

Periodic changes are the ones which take place

A

very slowly

B

very fast

C

suddenly

D

after fixed interval of time

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The correct Answer is:
**Step-by-Step Solution:** 1. **Understanding Periodic Changes**: Periodic changes are defined as changes that occur at regular intervals of time. This means that these changes happen consistently and can be predicted based on a specific time frame. 2. **Examples of Periodic Changes**: - **Rotation of the Earth**: The Earth rotates on its axis once every 24 hours, leading to the cycle of day and night. This is a predictable and regular change. - **Revolution of the Earth**: The Earth revolves around the Sun once every year, which is another example of a periodic change. - **Occurrence of Day and Night**: Due to the rotation of the Earth, day and night occur in a regular cycle, making this a periodic change. 3. **Contrast with Non-Periodic Changes**: Non-periodic changes do not occur at regular intervals. For example, natural disasters like earthquakes happen unpredictably and cannot be scheduled or anticipated in the same way as periodic changes. 4. **Conclusion**: Based on the definition and examples provided, periodic changes are those that happen after a fixed interval of time, while non-periodic changes do not follow a predictable pattern. 5. **Final Answer**: Therefore, periodic changes are the ones that take place at regular intervals of time. ---
**Step-by-Step Solution:** 1. **Understanding Periodic Changes**: Periodic changes are defined as changes that occur at regular intervals of time. This means that these changes happen consistently and can be predicted based on a specific time frame. 2. **Examples of Periodic Changes**: - **Rotation of the Earth**: The Earth rotates on its axis once every 24 hours, leading to the cycle of day and night. This is a predictable and regular change. - **Revolution of the Earth**: The Earth revolves around the Sun once every year, which is another example of a periodic change. - **Occurrence of Day and Night**: Due to the rotation of the Earth, day and night occur in a regular cycle, making this a periodic change. ...
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