Since the 1986 ban on leaded gasoline in the United States,
A) there have been no appreciable improvements as a result of this legislation.
B) children's average blood lead levels have dropped and average IQ's have risen.
C) children's blood lead levels have continued to rise, calling into question the effectiveness of the legislation.
Correct Answer:
Verified
Q2: _ are examples of secondary pollutants.
A) Aerosols
B)
Q3: Life expectancy for people in U.S. cities
Q4: Anthropogenic means
A) safe.
B) dangerous.
C) produced by humans.
D)
Q5: Over the past 40 years, air quality
Q6: The single most important air pollutant in
Q7: Nitrogen oxides interact with water vapor in
Q8: Primary pollutants are those that are
A) Released
Q9: Which of the following is colorless, odorless,
Q10: The US governmental agency responsible for regulating
Q11: Since increased numbers of women began smoking
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