alleryStart learning →Oceanic crust covers roughly what share of Earth's surface?
A55 percent
B5 percent
C95 percent
D15 percent
Answer & Solution
Correct answer: A. 55 percent
1. Oceans cover most of the planet.
2. Continental crust takes the remaining 45.
3. So oceanic crust is 55 percent.
_Source: OpenStax Astronomy 2e, Chapter 8, Earth as a Planet._
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