For an isolated system, the sum of the kinetic and potential energies: A.
increases gradually over time.

B.
gradually changes up and down over time.

C.
always remains the same.

D.
decreases gradually over time.

jupiter

explanation:

it is so massive and has such a strong gravitational pull its likely prevented the formation of a planet between itself and mars in the asteroid belt

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stan bts

the answer is kevlar

igneous rocks also form where plates converge. the subducting plate melts as it sinks into the crust of the earth, and the melt rises into the overriding plate forming volcanoes. metamorphic rocks are formed mainly in the lithosphere, wherever there is high pressure and high temperature. -woods