Multiple choice

Which of the following is/are responsible for tides on Earth?

  1. Sun and Moon

  2. Sun only

  3. Moon only

  4. Gravitation on Earth
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A Correct answer
Explanation

Tides are primarily caused by the Moon's gravitational pull, with the Sun's gravity also contributing (about 46% of Moon's effect). The combined gravitational forces of both Sun and Moon create spring tides (stronger) and neap tides (weaker). Gravitation on Earth (D) itself doesn't cause tides - it's the differential gravitational pull from celestial bodies.

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