Question: Four planets that formed at the same time have equal density and the following radii: planet W: 2 , 0 0 0 km planet X:

Four planets that formed at the same time have equal density and the following radii:
planet W: 2,000 km
planet X: 2,500 km
planet Y: 2,700 km
planet Z: 5,000 km
Ignoring any other factors, which planet would be expected to cool fastest?
Choose one:A.Planet W, with radius 2,000 kmB.planet X, with radius2,500 kmC.planet Y, with radius 2,700 kmD.planet Z, with radius 5,000 kmE. There is no way to know.

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