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.
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Question: Question: If a device were to become less efficient, it would produce _____ usable energy. 
 Answer: less

Answer: The more efficient a device is, the greater the percentage of usable energy it produces.


Question: Question: Would it be easier to push a block up a 
 Answer: shallow slope

Answer: The more gradual the slope of the inclined plane, the less input force is needed and the greater the mechanical advantage.


Question: Question: If Mona removes more water from her cauldron of melting rock, what will happen to the melting point of that rock? 
 Answer: increase

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