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.

Ex Input:
Question: Slowing plate tectonics indicates convection is 
 Answer: decreasing

Ex Output:
Convection on early Earth was faster and so plate tectonics was faster.


Ex Input:
Question: Terry's system wastes 50% of its energy, while Rick's system wastes 75%. The more efficient system is 
 Answer: Terry's

Ex Output:
The greater the wasted output energy, the less efficient the system.


Ex Input:
Question: Rocks that have a lot of water in them have a 
 Answer: low melting point

Ex Output:

As the amount of water increases, the melting point of rock decreases.