For the Following Questions,refer to the Diagram Shown Below

Multiple Choice

For the following questions,refer to the diagram shown below.

-In the diagram shown above,the temperature and dew point at the peak (4000 m) would be: (Assume 100% relative humidity and a wet adiabatic lapse rate of 5°C/km.)

A) both equal to -5°C.
B) both equal to -15°C.
C) equal to -5°C and -10°C,respectively.
D) equal to -15°C and -5°C,respectively.