What is the rock cycle?
a.
the cooling of lava and magma to form rocks
b.
the tracing of rocks through the four spheres of earth
c.
the continuous processes by which rocks change form
d.
the weathering, erosion, and deposition of rocks

A - is incorrect  because it's only describing one rock which is the igneous rock. Any rock that forms from the cooling of magma is an igneous rock  B- incorrect   It's not the tracing of rocks through the four spheres of Earth.  C- correct   It's  the continuous processes by which rocks change form.Which means the rocks change throughout the cycle.  D- incorrect  the weathering, erosion, and deposition of rocks is not the rock cycle  weathering is The chemical and physical processes that break down rock at Earth's surface.  erosion The process by which water, ice, wind,or gravity moves weathered rock or soil.  deposition The process in which sediment is laid down in new locations.