How does thermal energy transfer when a room is heated by a furnace? a Hot air is absorbed by the objects in the room; cold air expands and rises.

b Hot air is circulated through the room; the hot air rises, and cold air falls.

c Hot air makes direct physical contact with the objects in the room and rises.

d Hot air is transmitted by electromagnetic waves; the hot air rises and falls.

the old alchemists made significant contributions to science even though there starting premises were off a bit. their conclusions after failure would steer them into better directions for investigation. science is no more than close observation and the initial mistakes result in rethinking and retrying experiments.

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