Q: 104 (IAS/1997)

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Which one of the following is present in the largest amount in terms of per cent by mass in the earth’s crust ?
question_subject: 
Geography
question_year: 
1997
question_exam: 
IAS
question_sub_subject: 
Physical Geography
question_topic: 
Lithosphere
stats: 
0,3400,2968,2400,3400,400,168