49.
The highest sand dunes are found is
A. the Sahara desert
B. the Atacama desert
C. the Kalahari desert
D. the Gobi desert
Answer & Explanation
Answer: Option A
Explanation:
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50.
The greatest variety of animal and plant species is fund in
A. temperate grasslands
B. tropical moist forests
C. tundra regions
D. in hot deserts
Answer & Explanation
Answer: Option B
Explanation:
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51.
The layer of the earth, immediately below the crust, is called
A. outer core
B. inner core
C. inner mantle
D. outer mantle
Answer & Explanation
Answer: Option D
Explanation:
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52.
The highest mountains in Africa, which is not part of any mountains chain, is
A. Mt. Aconcagua
B. Mr. Kilimanjaro
C. Mt. Kosciusco
D. Mont Blanc
Answer & Explanation
Answer: Option B
Explanation:
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53.
The heavier silicates named as ‘Sima’ or silica + magnesium are most abundant in the
A. crust B. core
C. mantle D. ocean floors
Answer & Explanation
Answer: Option D
Explanation:
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54.
The imaginary line on the earth’s surface, which closely follows the 180 º meridian, is called the
A. International Date Line
B. Tropic of Cancer
C. Equator
D. Prime Meridian
Answer & Explanation
Answer: Option A
Explanation:
No answer description available for this question