In this task, you are given a question and an answer, you would be asked to create the sentence based on the Question-Answer provided. It should be contained within the Question-Answer provided.
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Question: Question: Which of these can be mined from Earth and used as an energy source? Answer: Coal

Answer: Coal can be mined from earth and used as an energy source.


Question: Question: What do you call sound that has a wave frequency higher than the human ear can detect? Answer: ultrasound

Answer: You call sound that has a wave frequency higher than the human ear can detect ultrasound.


Question: Question: What type of physics explains the behavior of visible light and electromagnetic waves? Answer: optics

Answer:
Optics explains the behavior of visible light and electromagnetic waves.