According to the Textbook, What Is One of the Key

question 10

Multiple Choice

According to the textbook, what is one of the key reasons that immigration continues to be a controversial issue in the United States?

• A) More than 75 percent of migrants settle in towns of less than 100,000 people.
• B) Immigrants from the Middle East have become the largest single group of migrants.
• C) It is commonly perceived that the diversity of the current generation of migrants raises cultural challenges.
• D) Many U.S. cities cannot handle the 400,000 outsiders that arrive annually.

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Definitions:

Exocrine

Pertains to glands that release their secretions through ducts onto an epithelial surface, such as sweat glands.

Goblet Cells

Specialized epithelial cells that secrete mucus to lubricate and protect the mucous membranes of the intestines and respiratory tract.

Serous Fluid

Fluid similar to lymph that is produced by and covers serous membrane; it lubricates the serous membrane.

Mucus

A slippery secretion produced by mucous membranes, serving to protect and lubricate surfaces.