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MrDereche MrDereche
wrote...
Posts: 4095
9 years ago
Which one of the following is an important fundamental assumption underlying the plate tectonic theory?
A) Earth's magnetic field originates in the outer core.
B) Earth's diameter has been essentially constant over time.
C) Radioactive decay slows down at the extreme pressures of the inner core.
D) Earth's ocean basins are very old and stable features.
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wrote...
Valued Member
9 years ago
The answer should be B) earth's surface area has been essentially constant over time.
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