Answer: B. Buoyancy
Explanation: The asthenosphere exerts a buoyant force that pushes up against the lithosphere, and this force resists gravity. The theory of isostasy refers to an equilibrium in buoyancy between the lithosphere and the asthenosphere.
Greater, earths core is very hot and pressured.
The more you go down, the greater pressure and heat there is.
The smallest particle from rocks is clay
Thermal Convection Causes Tectonic Plates To Move
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