GENERAL KNOWLEDGE

GK

WORLD GEOGRAPHY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is one thing both “hot” and “cold” deserts have in common?
A
All the land is made of sand
B
Underground water filters impurities from the sand.
C
There is a dramatic change between night and day temperatures.
D
Both get regular predictable rainfall.
Explanation: 

Detailed explanation-1: -Due to a lack of humidity in deserts, the air cannot hold the heat radiated by the sand, which gets heated during the sunny daytime hours. This causes the temperature of deserts to fall rapidly at night.

Detailed explanation-2: -One thing all deserts have in common is that they are arid, or dry. Most experts agree that a desert is an area of land that receives no more than 25 centimeters (10 inches) of precipitation a year. The amount of evaporation in a desert often greatly exceeds the annual rainfall.

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