About 71% of the earth's surface is covered by water. (C)
Hope this helped :)
The answer is seafloor spreading and subduction.
Hope this ain't too late (this is the PLATO answer)
Answer:
The earth rotates at about 15 degrees an hour
Explanation:
7. B
8. D
9. A
Hope that helps out man!
~Ressedue~
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Answer:
Over the last two centuries the dipole strength has been decreasing at a rate of about 6.3% per century. At this rate of decrease, the field would be negligible in about 1600 years. However, this strength is about average for the last 7 thousand years, and the current rate of change is not unusual.