the plasticlike layer below the lithosphere
continents have moved slowly to their current locations
entire cycle of heating, risisng, cooling, and sinking
two parts combined
move on a plasticlike layer of the mantle
earth's crust and part of the upper mantle are broken into sections
The process that creates new sea floor as plates move away from each other at the mid-ocean ridges
Please allow access to your computer’s microphone to use Voice Recording.
We can’t access your microphone!
Click the icon above to update your browser permissions above and try again
Reload the page to try again!
Press Cmd-0 to reset your zoom
Press Ctrl-0 to reset your zoom
It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.
Your microphone is muted
For help fixing this issue, see this FAQ.
NEW! Voice Recording
Click the mic to start.