The asthenosphere , is 100's of miles thick and is semi-molten rock. It's like silly putty in that it squishes, moves and goes with the flow. The rest of the mantle is believed to be solid.
The asthenosphere , is 100's of miles thick and is semi-molten rock. It's like silly putty in that it squishes, moves and goes with the flow. The rest of the mantle is believed to be solid.
