Deserts form primarily due to a lack of precipitation, which can be caused by high-pressure zones, rain shadow effects from mountain ranges, distance from water bodies, and cold ocean currents that reduce moisture in the air.
MCQs
1. What is one of the main reasons deserts form?
A) Too much rainfall
B) Frequent tornadoes
C) Lack of sufficient rainfall
D) Overpopulation
2. Which climate condition contributes to the formation of deserts?
A) High humidity
B) Low humidity
C) Heavy snowfall
D) Frequent hurricanes
3. What role do high-pressure systems play in desert formation?
A) They bring heavy rains.
B) They prevent rain clouds from forming.
C) They lower the temperature.
D) They increase vegetation growth.
4. How does the rain shadow effect contribute to desert formation?
A) By increasing rainfall on mountain slopes
B) By causing floods in valleys
C) By creating dry areas on the leeward side of mountains
D) By cooling the temperature
5. What is not a natural process that leads to desert formation?
A) Deforestation
B) Ocean currents
C) Wind erosion
D) Rain shadow effect
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