Answer:
a scientist studying the principles of botany
Explanation:
Answer:
a. he became the first caliph after Muhammad's death
b. he was a trusted advisor to Muhammad
d. he conquered Constantinople and ended the byzantine empire
He owned all the refineries, so he charged whatever prices he wanted.
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The Romans introduced D. Camels to North Africa
Answer:
a.cultural diffusion
Explanation:
Cultures are picking up characteristics (inventions in this case) from other cultures, and are being spread.