8) Carbon monoxide ________.
A) increase has been linked to ozone depletion
B) is the fourth (by weight) component of the atmosphere
C) concentration increases during wildfires
D) is a waste product created by plants during photosynthesis
E) is consumed by plants for photosynthesis
9) Tropospheric ozone ________.
A) protects Earth from most of the harmful UV radiation
B) causes respiratory diseases by binding with hemoglobin and preventing it from binding with
oxygen in red blood cells
C) has higher concentrations in urban areas
D) is a primary pollutant
E) is caused by poor farming techniques
10) Lead enters the atmosphere as a particulate pollutant. This is a problem because it ________.
A) is a precious metal, and it is being lost to the atmosphere
B) will cause the ozone hole to increase
C) can be inhaled or ingested and affect the central nervous system
D) can become attached to radon
E) causes excess nutrification of waterways, resulting in eutrophication
11) Radon ________.
A) is caused by the breakdown of the ozone layer
B) may cause damage to respiratory tissues when inhaled
C) binds with hemoglobin, preventing binding with oxygen
D) contributes to the breakdown of the ozone layer
E) in the atmosphere limits the availability of sunlight for plants