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 observation demonstrates that light waves travel much faster than sound waves? Answer: An exploding firework is seen before it is heard.

Answer: An exploding firework is seen before it is heard observation demonstrates that light waves travel much faster than sound waves.


Question: Question: What is the lowest level of organism that can perform all activities required for life? Answer: cell

Answer: A(n) cell is the lowest level of organism that can perform all activities required for life.


Question: Question: What do light emitters do to what you see? Answer: add frequencies

Answer:
Add frequencies do light emitters do to what you see.


