Answer:
The reason the compressed air gets cold after being used is due to a process known as adiabatic cooling, a property of thermodynamics. A gas, initially at high pressure, cools significantly when that pressure is released. The compression needed to turn a gas to liquid allows a large amount of gas to fit in a relatively small space, and when that gas is released to a large space, it rapidly expands to fill the space.
The answer is False. Stalagmite is a cone-shaped <span>deposit of calcite that builds up on the floor of a cave.
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Answer:
Rays having same endpoint E but not in the opposite directions are ED and EC. This pair of rays meet at point E having different directions.
