Q.

How much is the average temperature at depth of 10 km of earth surface?

A. 200oc
B. 900oc
C. 650oc
D. 20oc
Answer» A. 200oc
Explanation: the heat is apparent from the increase in temperature of the earth with increasing depth below the surface. although higher and lower temperature occurs, the average temperature at depth of 10 km is about 200oc.
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