instruction:
In this task, you are given a question and answer for that. The answer will fill in the blank or will complete the unfinished question. Your task is to provide an explanation based on the given question or fill-in-the-blank statement, and answer.
question:
Question: When Dean went to the top of the mountain and reached the peak, he noticed that the bottom of the mountain, compared to the top, had snow in amounts that were 
 Answer: smaller
answer:
Glaciers often form in the mountains because higher altitudes are colder and more likely to have snow that falls and collects.


question:
Question: Terry's system wastes 50% of its energy, while Rick's system wastes 75%. The more efficient system is 
 Answer: Terry's
answer:
The greater the wasted output energy, the less efficient the system.


question:
Question: Jeff was pushing a steel weight that weighs 25kg and a steel weight that weighs 10kg. Which weight contains more thermal energy? 
 Answer: 25kg
answer:

An object with more mass has greater thermal energy than an object with less mass because it has more atoms.