ENV 101 Exam 3 Questions With
Complete Solutions
Weather - CORRECT ANSWER✔✔-temp, humidity, precipitation on a
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given day, short term, geographically limited
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Climate - CORRECT ANSWER✔✔-normal range or weather conditions
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expected in particular locations/times of the year, patterns based on
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long-term observations, larger/long-term picture
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Climate change - CORRECT ANSWER✔✔-significant change in measures
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of climate (e.g. temp, precipitation, wind patterns)
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Global warming - CORRECT ANSWER✔✔-recent/ongoing risk in global
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average temp near Earth's surface, causing climate patterns to change,
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only one aspect of climate change
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Indicators of climate change: species and geographic range shifts -
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CORRECT ANSWER✔✔-Bird wintering ranges moved northward
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,Indicators of climate change: phenology changes - CORRECT
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ANSWER✔✔-Study of cyclic/seasonal natural phenomena, especially in
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relation to climate and plant/animal life; events occurring earlier
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Indicators of climate change: long-term temp change - CORRECT
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ANSWER✔✔-Global average land temps almost 2 degrees F higher than| | | | | | | | | |
20th century; sea surface temp as much as 5 degrees higher
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Indicators of climate change: glaciers - CORRECT ANSWER✔✔-Loss of
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glacier mass
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Indicators of climate change: sea level rise - CORRECT ANSWER✔✔-
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Higher storm intensity
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Indicators of climate change: precipitation changes - CORRECT
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ANSWER✔✔-Higher precipitation, drier | |
Greenhouse effect - CORRECT ANSWER✔✔-Necessary for life on our
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planet, greenhouse effect retains/stores heat in atmosphere
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Greenhouse effect: process - CORRECT ANSWER✔✔-solar radiation
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reaches the atmosphere (⅔ enters atmosphere, ⅓ reflected back to
| | | | | | | | | |
space), radiation hitting Earth's surface heats it, Earth radiates heat back
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, at atmosphere (70% retained by atmosphere's greenhouse h\gases,
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30% lost to space)
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GHG: H2O sources - CORRECT ANSWER✔✔-clouds (reflect sun→cooling
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as well), water vapor in air increases with temp, natural-not recent
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human-caused
GHG: CO2 sources - CORRECT ANSWER✔✔-respiration, fossil fuel
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combustion (gas, oil, coal) | | |
GHG: CH4 sources - CORRECT ANSWER✔✔-Anaerobic (w/o oxygen)
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decomposition, ruminants (cattle, sheep), industry, natural gas
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extraction
GHG: N2O sources - CORRECT ANSWER✔✔-oceans, soil in tropics,
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nitrogen fertilization |
Concentration trends of GHG - CORRECT ANSWER✔✔-Trend towards
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warmer average temperature; caused by urbanization, combustion of
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fossil fuels |
Mauna Loa - CORRECT ANSWER✔✔-Carbon dioxide is increasing; the
| | | | | | | | |
site was isolated so findings were more precise.
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Complete Solutions
Weather - CORRECT ANSWER✔✔-temp, humidity, precipitation on a
| | | | | | | |
given day, short term, geographically limited
| | | | |
Climate - CORRECT ANSWER✔✔-normal range or weather conditions
| | | | | | | |
expected in particular locations/times of the year, patterns based on
| | | | | | | | | |
long-term observations, larger/long-term picture
| | |
Climate change - CORRECT ANSWER✔✔-significant change in measures
| | | | | | | |
of climate (e.g. temp, precipitation, wind patterns)
| | | | | |
Global warming - CORRECT ANSWER✔✔-recent/ongoing risk in global
| | | | | | | |
average temp near Earth's surface, causing climate patterns to change,
| | | | | | | | | |
only one aspect of climate change
| | | | |
Indicators of climate change: species and geographic range shifts -
| | | | | | | | | |
CORRECT ANSWER✔✔-Bird wintering ranges moved northward
| | | | |
,Indicators of climate change: phenology changes - CORRECT
| | | | | | | |
ANSWER✔✔-Study of cyclic/seasonal natural phenomena, especially in
| | | | | | |
relation to climate and plant/animal life; events occurring earlier
| | | | | | | |
Indicators of climate change: long-term temp change - CORRECT
| | | | | | | | |
ANSWER✔✔-Global average land temps almost 2 degrees F higher than| | | | | | | | | |
20th century; sea surface temp as much as 5 degrees higher
| | | | | | | | | |
Indicators of climate change: glaciers - CORRECT ANSWER✔✔-Loss of
| | | | | | | | |
glacier mass
|
Indicators of climate change: sea level rise - CORRECT ANSWER✔✔-
| | | | | | | | |
Higher storm intensity
| |
Indicators of climate change: precipitation changes - CORRECT
| | | | | | | |
ANSWER✔✔-Higher precipitation, drier | |
Greenhouse effect - CORRECT ANSWER✔✔-Necessary for life on our
| | | | | | | | |
planet, greenhouse effect retains/stores heat in atmosphere
| | | | | |
Greenhouse effect: process - CORRECT ANSWER✔✔-solar radiation
| | | | | | |
reaches the atmosphere (⅔ enters atmosphere, ⅓ reflected back to
| | | | | | | | | |
space), radiation hitting Earth's surface heats it, Earth radiates heat back
| | | | | | | | | |
, at atmosphere (70% retained by atmosphere's greenhouse h\gases,
| | | | | | | | |
30% lost to space)
| | |
GHG: H2O sources - CORRECT ANSWER✔✔-clouds (reflect sun→cooling
| | | | | | | |
as well), water vapor in air increases with temp, natural-not recent
| | | | | | | | | | |
human-caused
GHG: CO2 sources - CORRECT ANSWER✔✔-respiration, fossil fuel
| | | | | | | |
combustion (gas, oil, coal) | | |
GHG: CH4 sources - CORRECT ANSWER✔✔-Anaerobic (w/o oxygen)
| | | | | | | |
decomposition, ruminants (cattle, sheep), industry, natural gas
| | | | | | |
extraction
GHG: N2O sources - CORRECT ANSWER✔✔-oceans, soil in tropics,
| | | | | | | | |
nitrogen fertilization |
Concentration trends of GHG - CORRECT ANSWER✔✔-Trend towards
| | | | | | | |
warmer average temperature; caused by urbanization, combustion of
| | | | | | | |
fossil fuels |
Mauna Loa - CORRECT ANSWER✔✔-Carbon dioxide is increasing; the
| | | | | | | | |
site was isolated so findings were more precise.
| | | | | | |
