APES PRACTICE EXAM QUESTIONS
AND ANSWERS
Troposphere - Answer-The later that contains the earth's daily weather
Mesosphere - Answer-Extends from 50-80 km above Earth
Stratosphere - Answer-The earths ozone layer exists in this layer of the atmosphere
Thermosphere - Answer-The highest layer of the atmosphere above 80 km
Troposphere - Answer-the layer of the atmosphere that's heated by infrared radiation
from the earth
E horizon - Answer-silt and sand are concentrated here
O horizon - Answer-litter layer mostly un decayed materials
Bedrock - Answer-the deep underlying non soil materials
B horizon - Answer-the layer where minerals that were leached out of layers above
accumulate
A horizon - Answer-a mixture of soil loam and detritus, the topsoil
AIDS - Answer-the virus that causes this disease is transmitted through bodily fluids
Earthquake - Answer-Can cause massive destruction
Asbestosis - Answer-caused by microscopic fibers of a mineral
radon - Answer-radiation that causes lung cancer
malaria - Answer-caused by a bacteria carried by mosquitoes
grassland soil - Answer-soil that has a substantial organic layer, fire helps to break
down plant material in this layer
pine forest soil - Answer-soil comprised of litter and humus, this soil is acidic due to the
accumulation of needles
desert soil - Answer-soil is rocky, very dry and contains almost no organic matter
, tropical rain forest soil - Answer-soil is acidic and contains very little organic matter
despite large plant population
deciduous forest soil - Answer-soil is rich in humus and partially decayed leaves
nitrogen dioxide - Answer-is involved in the formation of nitric acid
suspended particulate matter - Answer-dust or soot
photochemical oxidant - Answer-ozone
sulfur dioxide - Answer-is involved in the formation of sulfuric acid
carbon monoxide - Answer-health effects include reduced blood oxygen levels
lower the amount of organic matter in the water - Answer-the goal of the second stage
of a septic treatment plant
Animals that are effected by thermal pollution in a stream is - Answer-insect larvae in
the water
The National Priorities and brownfields sites are described in - Answer-Superfund
Program
Later fall frosts and the northward migration of some tree and plant species may
indicate - Answer-increased global temperature
high infant mortality rates are likely to occur in countries that have - Answer-high levels
of infectious diseases
composting is a process that produces - Answer-a nutrient-rich soil conditioner
True - Answer-energy can be converted from one form to another
True - Answer-energy input always equals output
True - Answer-the laws of thermodynamics can be applied to living systems
at each step of an energy transformation some energy is lost to heat - Answer-true
false - Answer-energy and matter can generally be converted into each other
oxygen depleted zones of the oceans such as the mouth of the mississippi river are
caused by - Answer-excessive fertilizers carried into oceans which cause algal blooms
that lower the oxygen levels
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