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Question
How much of the Earth's land surface is desert?
Options:
A .  1/3rd
B .  1/10th
C .  1/6th
D .  1/5th
Answer: Option A
Answer: (a)
Deserts take up about one third (33%) of the Earth’s land surface. Hot deserts usually have a large diurnal and seasonal temperature range, with high daytime temperatures, and low nighttime temperatures (due to extremely low humidity).
In hot deserts, the temperature in the daytime can reach 45 °C/113 °F or higher in the summer and dip to 0 °C/32 °F or lower at nighttime in the winter.

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