The expansion rate of the Universe is:

A) increasing.
B) decreasing.
C) constant.
D) different in different directions.
E) independent of time.


A

Physics & Space Science

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Indicate whether the statement is true or false

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What makes up the interstellar medium?

A) O and B stars B) open clusters C) K and M stars D) gas and dust E) all of the above

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A gas is quickly compressed in an isolated environment. During the event, the gas exchanged no heat with its surroundings. This process is

A) isothermal. B) isometric. C) isobaric. D) adiabatic.

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A constant pressure gas thermometer is initially at 28.°C. If the volume of gas increases by 10%, what is the final Celsius temperature?

What will be an ideal response?

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