Question

How does the sighting of a ship from the seashore prove about that the Earth it's round in shape ?
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Answer 1

Answer:

If the earth was flat then you could have seen the whole ship at once but that is not the case.

Whenever a ship approaches the shore of a beach you first see its mast then its deck and at the end you see its entire body . This is only possible if the earth is round.

Explanation:

Answer 2

Answer:

Whenever a ship approches the shore of beach you first see it's deck and at the end you see it entire body .This is only possible if the earth is round