Which ocean current is responsible for the formation of the Atacama Desert? MCQ with Answer and Explanation

Which ocean current is responsible for the formation of the Atacama Desert?
A. Agulhas Current
B. Humboldt Current
C. Brazil Current
D. Gulf Stream
Answer: Option B
Solution (By JKSSB Mock Tests)
The cold Humboldt (Peru) Current reduces rainfall along the west coast of South America, contributing to the Atacama Desert.

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Peridotite is primarily found in:
A. Continental crust
B. Earth's mantle
C. Ocean floor sediments
D. River deltas

Correct Answer: Option B


Explanation:
Peridotite is an ultramafic rock that represents the composition of much of the upper mantle.

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Coral reefs grow best in:
A. Polar Regions
B. Freshwater Lakes
C. Cold Deep Water
D. Warm Shallow Water

Correct Answer: Option D


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Corals require warm, clear, shallow, and sunlit seawater to thrive.

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Question #3
The Earth's axis is tilted at approximately:
A. 90°
B. 23.5°
C. 45°
D. 66.5°

Correct Answer: Option B


Explanation:
The Earth's rotational axis is tilted at approximately 23.5°, causing seasons.

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