Warm air rises and takes heat with it; eventually it cools and sinks describes how heat is transferred by convection. a. true b. false

The answer is True. Convection is the term describing how heat rises and cold sinks. The definition of convection is the movement caused within a fluid by the tendency of hotter and therefore less dense material to rise, and colder, denser material to sink under the influence of gravity, which consequently results in transfer of heat.

Convection is heat transfer by mass motion of a fluid such as air or water when the heated fluid is caused to move away from the source of heat, carrying energy with it. Convection above a hot surface occurs because hot air expands, becomes less dense, and rises

The correct answer would be A

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- aluminum and copper chloride.

- the chloride ion to separate the aluminum from the oxygen so that the aluminum can react with the copper ions (and the water molecules).

a) the particles of the chair are strongly held together.