Columbus was the first person to discover that earth is round. columbus was the first person to discover that earth is round. true false

False

Explanation:

Columbus was not the first person to discover the Earth was round, rather he was a advocate for the idea in a continent that largely believed the Earth was flat. It is a common misconception to claim that Columbus was the first to discover that the Earth is round.

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the first one is d and the second a

answer; earthquake;