The amount of CO2 released by human activities per year is approximately ________.
A) 30 million tons
B) 300 million tons
C) 3 billion tons
D) 30 billion tons
E) 300 billion tons
Correct Answer:
Verified
Q2: Primary pollutants are those that are
A)released directly
Q3: Worldwide,air pollution control efforts are least advanced
Q4: Most of the excessive carbon dioxide that
Q5: _ is/are examples of secondary pollutants.
A)Aerosols
B)Volatile organic
Q6: The "ozone hole" is a depletion currently
Q8: The _ is an international treaty designed
Q9: Airborne mercury has received special attention because
Q10: The air pollutant least successfully removed from
Q12: _ interacts with _ to produce photochemical
Q58: _ ozone is harmful, damaging plants and
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