What determines the price of a goods in a market economy?
A. The cost of all elements of its production.
B. The cost of not making other goods.
C. The efficiency of the manufacturing process.
D. The quantity of material supplied.
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According to Paragraph 6, why is manual uprooting a difficult process?
A. It requires divers to undergo strenuous training.
B. The algae's roots are usually too strong to pull out.
C. It is necessary to remove every last piece of algae.
D. The algae grow back faster than they can be removed.
The word affords in the passage is closest in meaning to
A. lends.
B. provides.
C. costs.
D. teaches.
The word it in the passage refers to
A. device.
B. film.
C. window.
D. sequence.
It can be inferred from Paragraph 2 that the typical primary group
A. cannot supply everything an individual needs to be happy.
B. contains members that are emotionally healthy.
C. remains together for a long period of time.
D. does not encourage the formation of relationships outside the group.