Four identical beakers, I, II, III, IV are placed on a large electrical hot plate. I and II are half-full and III and IV are full of tap water at the same initial temperature. I and IV are placed on the hot plate for 2.5 minutes, III is left on for 5 minutes, II is left on for 10 minutes. The water does not boil in any of the beakers.

1. Which one of the beakers of water will receive the most heat?
A. I
B. II
C. III
D. IV
2. Which one of the beakers of water will have the lowest temperature right after being heated?
A. I
B. II
C. III
D. IV
3. Which one of the beakers of water will have almost the same final temperature after being heated?
A. I and II
B. I and III
C. I and IV
D. II and III