A lake is polluted The fish in it die The algae make unpleasant odors It may be said that__________________?
Correct answer: D. all of the above
- A. the ecosystem is disturbed
- B. biological capital is lost
- C. the environment is degraded
- D. all of the above
Explanation
Pollution disrupts the lake’s ecosystem, destroys biological resources such as fish, and degrades the environment. Since all three statements describe the same damage, the inclusive answer is appropriate.
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The economy is studied as a whole through national income, gross domestic product, inflation, unemployment, economic growth and business cycles. Coverage includes aggregate demand and supply, consumption and investment, money and banking, fiscal and monetary policy, exchange rates and balance of payments, which distinguishes macroeconomics from the study of individual markets.
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