Multiple choice

Which of the following is an example where air pressure is not involved in transportation?

  1. Movement of sailing yacht

  2. Swimming of frogs in water

  3. Flying of birds

  4. Flying of kite

  5. Movement of aeroplanes
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

A frog's webbed feet help it move through the water. The frog's webbed feet are an adaptation that helps a frog swim in the water by pushing the water away and helping the frog propel itself faster through the water. People sometimes wear flippers in the water when swimming for the same reason.

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