Question: Which object will emit more electromagnetic radiation than it absorbs from its surroundings? a girl scout sitting close to a camptir an ice cube in

Which object will emit more electromagnetic radiation than it absorbs from its surroundings?
a girl scout sitting close to a camptir
an ice cube in beaker of water at 50C
an ice cube in thermal equilibrium with the interior of a freezer
a 600C copper sphere in a 700C oven
a 200 c copper coin in a beaker of water at 98 C

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