Wx 201 Final Exam Questions with Complete Solutions

Wx 201 Final Exam Questions with Complete Solutions Variable gasses in the atmosphere - Answer-CO2 , Water Vapor , O3 (ozone) , CH4(methane) Permanent gasses in the atmosphere - Answer-Oxygen (O2) , Nitrogen (N2) , Nobel Gasses Characteristics of a variable gas - Answer-Concentration is changing ; sources and sinks are not consistent Characteristics of a permanent gas - Answer-Concentration in atmosphere remains constant ; sources and sinks consistent Examples of green house gasses - Answer-CH4 , CO2 , CFCs , O3 Why are scientists predicting global warming? - Answer-The concentration of greenhouse gasses in the atmosphere has been rising significantly since industrial revolution What causes the ozone hole? - Answer-CFCs (chlorofluorocarbons) ; found in aerosols What are the implications of ozone depletion? - Answer-Decreased absorption of harmful UV radiation Density - Answer-mass/volume Pressure - Answer-force / area What equation relates density, pressure, and temperature - Answer-Ideal gas law ; P∝ DT What is used to measure density, pressure, and temperature? - Answer-Weather balloons How do altimeters work? - Answer-Aneroid barometer inside measures pressure and infers your altitude Standard lapse rate - Answer-Temperature decreases 2°C for every 1000ft up to 36000ft What causes indicated altitude to differ from the true altitude? - Answer-Changes in surface air pressure, temperature, elevation