Human Geography is the answer to the study of people
Answer:
Correct answer is Wegener had no compelling mechanism to explain what would cause the continents to move.
Explanation:
A is not correct as through his researches he presented his theory to other scientist.
B is not correct as Wegener was very educated, and was even even working as a professor at University.
C is correct that although he presented his theory, he couldn't explain totally how it happened.
D is not correct as during his lifetime his theory wasn't widely accepted. That happened 20 years after his death.
Religion caused many Arabs to move through the Middle East.
During the 600s CE, an Arab expansion took place all over the Middle East. During these years, Muslim conquests became common, and this led to the establishment of unified Arabic empires, or "caliphates."
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