46. A quantity of an ideal gas is compressed to half its initial volume. The process may be adiabatic,
isothermal or occurring at isobaric. Rank those three processes in order of the work required of
an external agent, least to greatest.
(A) adiabatic, isothermal, isobaric (B) adiabatic, isobaric, isothermal
(C) isothermal, adiabatic, isobaric (D) isobaric, adiabatic, isothermal
(E) isobaric, isothermal, adiabatic