Ozone is considered an air pollutant in the ________ but is a valuable protective layer in the ________.
A) troposphere;stratosphere
B) stratosphere;mesosphere
C) stratosphere;troposphere
D) mesosphere;stratosphere
Correct Answer:
Verified
Q6: A particular sample of air is 2.5
Q7: Which pollutant are you more likely to
Q8: What two factors are considered when determining
Q9: Which component of the air is an
Q10: The _ concentration in the air over
Q12: Air is a(n)
A)element.
B)compound.
C)mixture.
D)pure substance.
Q13: Which substance is not considered to be
Q14: Based on its name,which carbon compound contains
Q15: In general,which airborne material is not likely
Q16: All of these pollutants can be detected
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