The greatest flaw in Columbus' plan to reach Asia by sailing west was that "<span>a. He greatly underestimated the circumference of the earth and did not know about the existence of the continents of North and South America," since this was why when he landed in the New World he actually thought he had reached India. </span>
Answer:
The largest is the Sahara Desert
Explanation:
It covers about 3.5 million square miles.
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