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.

Q: Question: John was viewing a patient's vital signs at the hospital. He could see clearly that the less oxygen to the cells, the pulse rate would become 
 Answer: Higher

A: This causes the delivery of less oxygen to the cells, and this stimulates the heart rate via adrenalin, so that pulse rate increases in an effort to deliver enough oxygen to cells.
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Q: Question: If Mona is producing sound waves by listening to her radio at night and she turns down the volume, what happens to the amount of energy being produced by the radio? 
 Answer: decreases

A: A higher-frequency wave has more energy than a lower-frequency wave with the same amplitude.
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Q: Question: If a lens gains more curvature, it will refract _____ light. 
 Answer: more

A:
The more curved the surface of a lens is, the more it refracts light.
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