Author Question: Earth's mantle is exposed on the ocean floor in great slabs of rock between widely-spaced volcanoes ... (Read 60 times)

Mr3Hunna · **on:** Aug 22, 2018

Earth's mantle is exposed on the ocean floor in great slabs of rock between widely-spaced volcanoes in ________.

A) deep-ocean trenches
B) oceanic ridges
C) oceanic rises
D) ultra-slow spreading centers
E) volcanic arcs

Question 2

Isostatic adjustments are the result of the buoyancy of Earth's lithosphere as it floats on the ________ below which is denser and plastic like.

A) asthenosphere
B) mesosphere
C) outer core
D) inner core