Earth's mantle convects like heat in an oven. Heat from Earth's core rises through the mantle at the center of oceans, where tectonic plates form. From there, heat flows through the mantle, cooling as it moves toward continents, where it drops back toward the core to collect more heat, rise and complete the convective circle.
"Heat drops back to the core were it collects more heat?" Check. Got it. Does anybody proof-read this stuff anymore?
“Heat drops back to the core were it collects more heat?”
Misuse of quotation marks noted.
Curious if that convective core heat is accounted for in global warming calculations...