The lower atmosphere is a homogeneous mixture of gasses with nitrogen and oxygen being the most abundant
Indicate whether the statement is true or false
True
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Which of the following would have most likely prevented the deadly 1948 smog in Donora, PA?
A) The shift of industrial production from the day to evening hours B) The addition of scrubbers to the smokestacks used by the Donora industries in order to remove effluents C) Increased use of coal to generate electricity and heat homes in the region D) Use of high sulfur instead of low sulfur coal to generate electricity and heat homes
Sleet is produced only when all of the air between the ground and the cloud has a temperature below freezing
Indicate whether the statement is true or false
Why are many contaminants found at higher concentrations in polar bears and people living in Greenland than they are in bears and people living in temperate and tropical areas?
A) Most of Greenland's GDP comes from importing toxic chemicals for disposal deep beneath its ice sheets. B) The ice sheets in Greenland, which provide both people and polar bears with fresh water, were contaminated as a result of the Chernobyl nuclear accident. C) Polar bears and people living in Greenland eat penguins, which are naturally high in toxic contaminants. D) Global atmospheric circulation carries airborne toxins toward the poles, where their deposition exceeds evaporation. E) There are fewer regulations regarding the release of toxic pollutants in Greenland than in other regions of the world.
Encode the following data around the station model (using the standard abbreviated form for pressure).
