Homophily (i.e., "love of the same") is the tendency of individuals to associate and bond with similar others, as in the proverb "birds of a feather flock together". The presence of homophily has been discovered in a vast array of network studies.
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I'm pretty sure the answer is D. The two sisters hugged each other when the bandit entered the compartment.
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Commas! They are used to separate ideas from each other, or be used in place of "and".
The answer would be thete are not enough of them