61.
The process of destruction or dying of fronts is called
A. fromtogenesis
B. frontolysis
C. both (a) and (b)
D. None of the above
Answer & Explanation
Answer: Option B
Explanation:
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62.
The Palaeozoic era starts at ____ million years ago and ends at ____ million years ago.
A. 500, 100
B. 570, 225
C. 470, 150
D. 470, 225
Answer & Explanation
Answer: Option B
Explanation:
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63.
The reaction is carbonate and bicarbonate ions with mineral is called
A. hydrolysis B. carbonation
C. oxidation D. solution
Answer & Explanation
Answer: Option B
Explanation:
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64.
The plants grown in equatorial regions include
A. wheat, barley, maize
B. evergreen dense forests, rubber trees, groundnuts
C. groundnuts, soyabeens, potatoes
D. evergreen coniferous forests, oats, cocoa
Answer & Explanation
Answer: Option B
Explanation:
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65.
The process that may cause physical weathering or mechanical rupture are
A. abrasion, crystallization, pressure release
B. abrasion, oxidation, hydrolysis
C. crystallization, carbonation, thermal insolation
D. None of the above
Answer & Explanation
Answer: Option A
Explanation:
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66.
The process of particle detach ment by moving glacial ice is called
A. plucking B. abrasion
C. scouring D. None of the above
Answer & Explanation
Answer: Option A
Explanation:
No answer description available for this question.