Q. What percent of the earth's surface is covered with deserts?
Answer: 33%
Notes: Seen from space, the majority of the Earth’s surface is covered by oceans, that makes up 71% of the surface of the Earth, with the remaining 29% for land. Deserts actually make up 33%, or 1/3rd of the land’s surface area.

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📌 Question Number: 10 in Physical Geography - Important Plains and Deserts in the above course in App.