Answer the following statement(s) true (T) or false (F)
1. A systems approach to the flow of materials and energy between industrial processes and the environment is known as a life cycle assessment.
2. Industrial ecology and sustainable development are equivalent concepts.
3. Residuals are quantities of pollutants left in the environment after some natural or technological process has occurred.
4. A linear flow of materials assumes that materials move in a single direction, entering as inputs and leaving as residuals.
5. A closed flow of materials is one in which residuals are returned to the production process.
1. False
2. False
3. True
4. True
5. True
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The American birth rate in 1860–1910
(a) was kept high by the tendency of immigrant children to have large families. (b) increased steadily. (c) declined, on average. (d) rose dramatically after the Civil War due to the large numbers of immigrants having children in the U.S. to get U.S. citizenship.
Advertising for Milk and Beef is usually done by
A) interest groups that represent the whole industry. B) a single firm in the market. C) a small set of firms in a market. D) It is not done because it doesn't pay to advertise homogeneous products.
If the foreign income decrease, then we might expect net export spending to:
A. increase. B. decrease. C. remain constant. D. there is not enough information to determine what would happen.
Fannie Mae and Freddie Mac's rapid increase in the percentage of all mortgages held encouraged mortgage lenders to
a. tighten credit standards and decrease the number of sub-prime loans extended to borrowers. b. offer lower rates than what Fannie Mae and Freddie Mac could offer. c. lower credit standards and offer terms acceptable to Fannie Mae and Freddie Mac. d. scrutinize the credit-worthiness of borrowers and require higher down payments on mortgages.