Oceanic crust is denser than continental crust. Continental crust is more buoyant. :)
C is the answer, i know this is late but it can at least help some one else maybe
Answer:
he Earth zips around the Sun at about 67,000 miles per hour, making a full revolution in about 365 days – one year on Earth. Mars is a little slower, and farther from the sun, so a full circuit takes 687 Earth days – or one Mars year.
Explanation:
It depends on the light, and position of the objects. As well as how close or far it actually is.
