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(D) For an adiabatic process, the relation between pressure $P$ and volume $V$ is given by $PV^{\gamma} = 	ext{constant}$.As the volume $V$ decreases

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increase in temperature and increase in pressure

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(D) For an adiabatic process, the relation between pressure $P$ and volume $V$ is given by $PV^{\gamma} = 	ext{constant}$.As the volume $V$ decreases during compression, the pressure $P$ must increase to keep the product constant.According to the ideal gas law $PV = nRT$, since $P$ increases and $V$ decreases, the temperature $T$ must increase because the work done on the gas increases its internal energy in an adiabatic process ($Q = 0$, $\Delta U = -W$).Therefore, in adiabatic compression, both temperature and pressure increase.

In adiabatic compression, the decrease in volume is associated with

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