Env Test 4 – Flashcards
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_____ describes the typical weather that can be expected in a region.
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Climate
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_____ pressure systems typically bring fair weather while _____ pressure systems bring clouds and precipitation.
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High;low
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What happens after a cold front passes through an area?
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temperature and humidity drop
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What information is given on the x-axis? What information is given on the x-axis? time in 4-hour intervals relative humidity temperature in °Fahrenheit time in 3-hour intervals temperature in °Celsius
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time in 4-hour intervals
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What does the red line represent? What does the red line represent? temperature time in 4-hour intervals relative humidity time in days
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temp
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What was the temperature at 9:00 A.M. on Day 1? What was the temperature at 9:00 A.M. on Day 1? 12 °Fahrenheit 12 °Celsius 30 °Celsius 70 °Fahrenheit 48 °Fahrenheit
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12C
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Which day had the greatest range in temperature? Which day had the greatest range in temperature? Day 1 Day 2 Day 3
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day 2
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What is the best description of the relative humidity between 9:00 A.M. and 5:00 P.M. on Day 1? What is the best description of the relative humidity between 9:00 A.M. and 5:00 P.M. on Day 1? The relative humidity increased from 45% to 75%. The relative humidity dropped from 100% to 55%. The relative humidity was fairly stable. The relative humidity dropped from 30% to 15%.
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he relative humidity dropped from 100% to 55%.
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As air rises in a convection current __________.
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Water condenses out to form clouds and rain.
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Which pollutant has generally increased in emissions over the span of this data set?
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no2
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What was the impact of removing lead from gasoline in the 1970s and 1980s?
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it was greater
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Imagine that new studies indicate that reducing NO2 levels should be a top priority. What pollution source should be the focus of emission reduction programs?
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a balanced
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Which of the following control programs is most likely responsible for the decrease in SO2 and volatile organic compounds since 1970?
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reductions
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The ability of the earth's atmosphere to allow the passage of visible light, but absorb reradiated heat energy emitted from the earth's surface
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Greenhouse effect
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The anthropogenic enhancement of the ability of the earth's atmosphere to absorb outgoing thermal energy.
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Global warming
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Natural variation in the earth's climate.
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Climate change
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The daily conditions in the atmosphere.
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Weather
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Solar energy is mainly emitted in wavelengths ranging from
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400-700
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Long term averages of conditions.
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Climate
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Which of the following is a true statement?
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Greenhouse gasses slow down the earth as it reemits the energy that it absorbs.
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Why is 1860 used as the 'natural conditions' for the earth's atmosphere?
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This is just before industrialization started.
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The primary source of anthropogenic greenhouse gasses is
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Fossil fuels
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https://kennesaw.view.usg.edu/d2l/common/viewFile.d2lfile/Database/OTY0MDI4/Earth%27s%20tilt.jpg?ou=697961 --- figure of 4 earths--- According to the figure, the major reason we have ________. Question 5 options: 1) seasons is because of the sun's rotation around us, getting nearer and farther away 2) seasons is because of our rotation around the sun, getting nearer and farther away 3) tides is because of the seasons 4) tides is because of the moon's rotation around us 5) seasons is because of the tilt to our axis
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seasons is because of the tilt to our axis
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Earth's ozone layer, which limits damaging solar radiation striking the planet, is found in the _______.
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Stratosphere
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Fill in the blanks: ozone is made of _________ and is broken down by ____________.
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oxygen; chlorine
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Why do the tropics get more energy per unit area from the sun than do the higher latitudes (say, 50 degrees north or south) even when both get 12 hours of sunlight per day?
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The curve of Earth's surface means that the same amount of sun is spread over a larger area at higher latitudes.
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This layer of the atmosphere contains 75% of the atmosphere's molecules, is closest to the planet's surface, is constantly mixing, and gives us our weather.
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Troposphere
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How does the United Nations define sustainable development?
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development that meets the needs of the present without compromising the ability of future generations to meet their own needs
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Can we both provide for people's needs and protect the environment simultaneously?
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Yes, because humans can protect the environment and their own needs through sustainable management of natural resources.
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How are economics and environmental concerns related?
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A healthy environment can improve our economy.
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Opponents of globalization warn that it will __________.
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cause a loss of local cultures and worldviews
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The United States contains fewer than 5% of the world's population yet uses __% of the world's resources.
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40
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The United States contains fewer than 5% of the world's population yet uses __% of the world's resources.
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reduce our quality of life
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Affluenza is a term used to describe __________.
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the observation that excessive material consumption rarely leads to happiness
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How many megawatt hours (MWh) per year of savings did the students identify for computers at the Penn State Mueller Laboratory Building?
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30
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How many MWh per year of savings are possible for HVAC?
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1,500
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Estimate the total energy use at the lab building and the total estimated savings. Approximately what percentage of the total electrical energy use do these savings represent?
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62%
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The student report estimated $45,500 in electricity savings. What was the approximate cost of electricity in cents per kilowatt hour (kWh) used to calculate this savings?
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2.7 cents per kWh
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You are a member of a student committee at your college that is evaluating building energy use and potential savings. If your committee finds that your college's potential savings would be similar to those shown for Penn State, action in which area or combination of areas would result in approximately 5% energy savings?
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Lighting
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How are economics and environmental concerns related?
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A healthy environment can improve our economy.
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What is the correlation between family income and happiness?
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Money cannot buy us as much happiness as our culture has led us to believe.
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Which of these must we do to promote the "triple bottom line" that is needed to have a truly sustainability development?
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We must promote social justice.
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What will the shift to sustainability require?
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improvement in the standard of living and health
