Answer:
Should Washington D.C. and Puerto Rico be added as the 51st and 52nd U.S. states?
Explanation:
Historians are most likely to study written records because they study history.
Geologists study solid and liquid matter that make up the earth as well as history that has shaped it.
Archaeologists study the history based on artifacts, monuments, etc.
I'm sure the answer is Sunni Muslim. (C)
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