Answer:
B. It is often written by writers whose families are immigrants.
Explanation:
The authors of multicultural literature identify with a minority culture. Many of the writers families are immigrants because they moved into a place where they were not part of the majority culture. The literature often deals with cultural identification and assimilation.
Answer: an adverb .
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(Note: Adverbs can modify other adverbs.).
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D. It needs a comma before and.
estuaries
Chesapeake Bay. The Chesapeake Bay is the largest estuary in the United States. It runs north-south from the mouth of the Susquehanna River to the Atlantic Ocean. It is one of the most productive estuaries in the world, with over 3,600 species of animals and plants.