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Changes Around Us — Science STD 6 — Question

CBSE BoardEnglish MediumSTD 6ScienceChanges Around Us1 Mark
MCQ
Which one is a periodic change?
  • A
    Earth-quake.
  • B
    Formation of rainbow in sky.
  • ✓
    Occurrence of tides in seas.
  • D
    None of these.
✓

Answer

Correct option: C.
Occurrence of tides in seas.
Low and high tides appear periodically, so it is a periodic change.

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