Heat does not rise or fall because it is an energy being transferred. It is the hot air which rises because colder air is denser than hotter air.
Answer:
0.72 kg per cubic m
Explanation:
Mass = 14.4 kg
Volume = lbh = 4*1*5 = 20 cubic m

Answer:
The relation between velocity and time is a simple one during uniformly accelerated, straight-line motion. The longer the acceleration, the greater the change in velocity. Change in velocity is directly proportional to time when acceleration is constant.
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~Brainiliest?~
Answer:
<h2>
<u>RANCIDITY</u><u>:</u></h2>
=> Rancidity is a condition in which the substance with oil and fats get oxidized when they are exposed to air. A substance is said to be rancid when there is a change in smell, taste, and colour. An example of rancidity is when a chips pack is exposed to atmospheric air which results in a change in taste and odor.

Because my dad had the dominant gene for brown hair, while my mom had the recessive gene, I now have brown hair.
Hope this helped! Good luck! :)