During snow fall, the surrounding air is
A) cooled.
B) warmed.
C) both of these
D) neither of these
Question 2
To increase the temperature of 50 grams of water by 2 Celsius degrees requires
A) 0.04 calorie.
B) 2 calories.
C) 4.19 calories.
D) 25 calories.
E) 100 calories.