Este test está cronometrado.
Tienes 10 minutos para completar 11 preguntas de este test.
The atmosphere is divided into spherical layers based upon the
density of each layer
concentration of ozone in each layer
temperature changes from variations in absorption of solar energy
concentration of oxygen in each layer
precipitation in each layer
A change from greenhouse to icehouse conditions on Earth requires up to 10 million years and is probably caused by which of the following?
Accumulation of carbon dioxide from volcanic eruptions
Drifting of the Antarctic Plate away from the South Pole
Formation of dust clouds due to meteorite impacts
Removal of carbon dioxide from the atmosphere
Which of the following is true of natural gas?
it is easy to transport.
it has a high net energy ratio.
it is pumped into pressurized tanks at deep sea oil rigs
the U.S. has more natural gas reserves than Russia.
it emits less carbon dioxide than other fossil fuels
Which of the following is LEAST likely to be an effect of global warming?
Loss of fertile delta regions for agriculture
Change in global patterns of precipitation
Extinction of some species that have narrow temperature requirements
Decreased rate of photosynthesis in vegetation
Increased frequency of hurricanes
The presence of which of the following contaminants would be the strongest reason for judging municipal sewage sludge unfit for use as fertilizer?
Human feces
Ammonia
Phosphates
Nitrates
Heavy metals
Which of the following lists contains only greenhouse gases?
Carbon dioxide, chlorofluorocarbons, hydrogen
Carbon dioxide, carbon monoxide, nitrogen
Carbon dioxide, methane, water vapor
Methane, nitrogen, nitrous oxide
Processes #2 and #5 add carbon dioxide to the atmosphere by means of
evaporation
deamination
decomposition
photosynthesis
respiration
In addition to carbon dioxide, what chemical compound is released in to the atmosphere as a result of processes #2 and #5?
oxygen
water
phosphate
evapotranspiration
amonia
The burning of fossil fuels
requires O2 and releases CO2
requires O2 and CO2
releases O2 and CO2
releases O2 and requires CO2
Which of these natural events affect the climate?
thawing permafrost
the path of the Earth around the sun
volcanic eruptions
all of the above
fill in the blanks
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