Answer:
D. There are cases of each which have been solved by facial recognition software.
The answer here <em>could </em>be either B. or D. But B. is the most correct, given that the question is so general.
Answer:
During the early stages of Mongol supremacy, the empire established by Genghis absorbed civilizations in which a strong, unified, and well-organized state power had developed. The social organization of the Mongols was, however, characterized by pastoralism and a decentralized patrilineal system of clans.
Explanation:
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1, 2, & 4 are ways it benefits students. The other two choices seem to be more about study skills rather than student self reflection benefits.