How does the mantle behave over geological timescales?

Answer

It behaves plastically

Although predominantly solid rock, the mantle behaves plastically over geological timescales, which allows tectonic plates to move across its surface.

How does the mantle behave over geological timescales?

#Videos

There Is Life Hiding Inside Earth - YouTube

Earth Is Trapped Inside a Giant Space Bubble, Scientists Say

GeologyEarthCorecrustmantle