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Winds, Storms and Cyclones — Science STD 7 — Question

Gujarat BoardEnglish MediumSTD 7ScienceWinds, Storms and Cyclones1 Mark
MCQ
Leaves of trees, banner or flags flutter when wind is blowing. Why?
  • A
    Air occupies space
  • B
    Air is a mixture of gases
  • ✓
    Air exerts pressure
  • D
    Air is colourless
✓

Answer

Correct option: C.
Air exerts pressure
The pressure imposed by moving air or wind causes the leaves of trees, flags, and banners to flutter when the wind blows.

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