The word them in the passage refers to
A. sea slugs.
B. discouraging results.
C. algae blades.
D. new colonies.
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According to the passage, what are the opportunity costs of a product？
A. The amount of time and money spent in producing it.
B. The opportunities a person has to buy.
C. The value of what could have been produced instead.
D. The value of the resources used in its production.
The word tolerate in the passage is closest in meaning to
A. symbolize.
B. formulate.
C. withstand.
D. intensify.
Which of the following examples best reflects a cost to society as defined in the passage？
A family buying a dog.
B. Eating in a restaurant instead of at home.
C. Listing land for a house instead of a park.
D. Staying at home instead of going to school.
Which of the sentences below best expresses the essential information in the highlighted sentence in the passage？ Incorrect choices change the meaning in important ways or leave out essential information.
A. The primary group, representing a safe and loving environment, enables individuals to express themselves freely and grow emotionally.
B. Most of the traditional primary groups in a society are no longer able to offer their members emotional well-being.
C. It cannot be overlooked that belonging to primary groups is a necessary part of every individual's developmental processes.
D. Individuals will seek vital emotional fulfillment in other social environments if their customary primary groups cannot supply it.
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