Question: Joyce put 200 milliliters of water in a beaker, put a thermometer in it, and heated it until it started to boil. She recorded a temperature of 100°C when it started to boil. She repeated the process with 400 milliliters of water. What would be the temperature when this second sample started to boil?

  Options: 
 A. twice as high as the first sample's
 B. slightly higher than the first sample's
 C. half as high as the first sample's
 D. the same as the first sample's
Answer: D