Multiple Choice
Lead pollution is a problem because lead ________________.
A) causes central nervous system damage in humans
B) is a precious metal,and it is being lost to the atmosphere
C) causes excess nutrification of waterways,resulting in eutrophication
D) can become attached to radon
E) will cause the ozone hole to increase
Correct Answer:
Verified
Correct Answer:
Verified
Q2: Why is indoor pollution still such a
Q3: What gas comprises the largest portion of
Q4: The decrease in NO<sub>x</sub> emissions in the
Q5: In the U.S.,which of the following has
Q6: In industrialized nations,the two most deadly sources
Q8: _ is a naturally occurring radioactive gas
Q9: Stratospheric ozone is important to ecosystems because
Q10: Which of the following is a secondary
Q11: In 1970,the source of most of the
Q12: Residence time is the _<br>A)length of time