Which of the following is the primary reason for the formation of tropical deserts?
A. Rain shadow effect
B. Subtropical high pressure
C. Cold ocean currents
D. All of the above
Answer: Option D
Solution (By JKSSB Mock Tests)
Tropical deserts form due to a combination of factors, including subtropical high pressure (descending dry air), cold ocean currents (which stabilize the atmosphere), and rain shadow effects from nearby mountains.
Explanation:
The 'Dust Bowl' of the 1930s in the United States was caused by severe drought and poor agricultural practices (over-plowing) that led to massive dust storms, particularly in the Great Plains.
Explanation:
Acid rain is primarily caused by sulfur dioxide (SO2) and nitrogen oxides (NOx) released from burning fossil fuels, which react with water vapor in the atmosphere to form sulfuric and nitric acids.
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