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Answer:
B. and E. are the correct answer because 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.
Explanation:
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Convection is a heating transmission process. The options are B) The movement of air in a hot-air balloon makes it rise into the sky, and E) A house has high heating bills because the heat ends up in the attic.
What is convection?
Convection is a natural process that results from heating transmission between two substances.
The change in temperature between these substances produces a change in density as well, and hence, the movement of the substances.
The cyclic circular ascending and descending motion of materials as they get heated or cooled is known as convective currents.
Among the options, the correct statements are,
B) The movement of air in a hot-air balloon makes it rise into the sky.
E) A house has high heating bills because the heat ends up in the attic.
You will learn more about convection at
https://brainly.com/question/4138428