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.

Q: Question: What kind of lines does a diffraction grating produce? Answer: evenly spaced lines

A: Evenly spaced lines kind of lines does a diffraction grating produce.
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Q: Question: What can be used to determine the mass of a quantity of material? Answer: molar masses

A: Molar masses can be used to determine the mass of a quantity of material.
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Q: Question: The fossil record indicates that anthropoids began diverging from other primates about how many million years ago? Answer: 50

A:
The fossil record indicates that anthropoids began diverging from other primates about 50 many million years ago.
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