For drinks during the day, Peter has a cup of hot coffee, at a temperature of about 90 °C, and a cup of cold mineral water, with a temperature of about 5 °C. The cups are of identical type and size and the volume of each drink is the same. Peter leaves the cups sitting in a room where the temperature is about 20 °C. What are the temperatures of the coffee and the mineral water likely to be after 10 minutes?
A. 70 °C and 10 °C
B. 90 °C and 5 °C
C. 70 °C and 25 °C
D. 20 °C and 20 °C