In the U.S., the command-and-control environmental laws of the early 1970s, together with the ensuing amendments and updates that have been made to them over time,
A. were necessary as US industries had zero incentive to control pollution.
B. were an inexpensive incentive for industrial polluters to improve performance.
C. are given considerable credit for cleaner air and water in recent decades.
D. draws distinctions between the needs of firms and costly equipment upgrades.
C. are given considerable credit for cleaner air and water in recent decades.
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The incidence of tuberculosis (TB) is increasing because:
a. Strains of the TB bacterium have developed resistance to antibiotics. b. Population size and air travel have increased. c. Immune systems have weakened from the spread of AIDS. d. There is a lack of TB screening, especially in developing countries. e. All of these answers.
Cultural syncretism is a synonym for cultural hybridization
Indicate whether the statement is true or false
The North American monsoon is generated by the seasonal wind shifts associated with:
A) the southward movement of the subpolar low. B) the migration of the ITCZ. C) the arrival of the polar jet. D) the development of a summertime thermal low in Arizona.
Pharmacogenomics refers to which of the following?
A) using portions of the genome to synthesize drugs B) studying how genetic variation influences responses to drugs C) both a and b D) neither a nor b