ERAU WX 201

WX 201 Final ERAU Exam Questions and Answers The Atmosphere aerosol (a.k.a. particulates) rain, drizzle, fog, snow, ice crystals, cloud droplets Permanent gas Nitrogen [N2]=78% Oxygen [02]=21% Others (Ar, Ne, He, Kr, H)=1% Variable gas [H2O] -0 to 4% (highly variable) -Most abundant variable gas• [CO2] -0.039% and rising [O3] -Highly variable, reactive gas -Upper atmosphere: protects life from UV light -Occurs naturally, absorbs harmful ultraviolet light from sun ...

WX 201 Final Exam Question Bank with correct Answers The most abundant gases in Earth's atmosphere by volume are nitrogen and oxygen Which of the following is considered a variable gas in Earth's atmosphere? water vapor The only substance near Earth's surface that is found naturally in the current atmosphere as a solid, liquid, and a gas is water Which weather element ALWAYS decreases as we climb upward in the atmosphere? pressure Earth's atmosphere is divided into n...

WX 201 Final Exam Questions and Answers Chemicals called __ break down ozone molecules chlorofluorocarbons Since the turn of this century, CO2 in the atmosphere has: been increasing in concentration In a volume of air near the earth's surface, ____ occupies 78 percent and ____ occupies nearly 21 percent. Nitrogen, Oxygen Sinks of CO2 include photosynthesis The only substance near the earth's surface that is found naturally in the atmosphere as a solid, liquid, and a g...

WX 201- Final Exam Study Set Questions and Answers How do red and blue light differ? The wavelength of red light is longer. (E1) Which gases are primarily responsible for the atmosphere greenhouse effect in Earth's atmosphere? Water vapor and carbon dioxide (E1) Much of the carbon dioxide found in earlier atmospheres is currently locked up in Carbonate rocks (E1) The most important reason why summers in the Southern Hemisphere are not warmer than summers in the Northern Hemis...

WX 201 HW1 Exam with complete solutions The only substance near Earth's surface that is found naturally in the current atmosphere as a solid, liquid, and a gas is water. The rate at which temperature decreases with increasing altitude is known as the lapse rate. Almost all of Earth's weather occurs in the troposphere. The word "weather" is defined as the condition of the atmosphere at a particular time and place. At night, when the weather is extremely cold and dry, ...

WX 201 Test 1 Questions and Answers In the atmosphere Cold air sinks and warm air rises Weather State of the atmosphere with respect to wind, temperature, moisture, pressure, etc. Climate Average or generally prevailing conditions Most abundant gases Nitrogen (78), Oxygen (21), Argon (.93) Which gas has a variable concentration, dependent upon location? Carbon dioxide, methane, ozone, water vapor What are the most common greenhouse gases? CO2, Methane, Ozone ...

wx 201 test 2 erau questions and answers station pressure the actual air pressure computed at the observing station sea level pressure the standard level of pressure 29.92 inches ideal gas law the relationship PV=nRT, which describes the behavior of an ideal gas mercury barometer consists of a glass tube open at the bottom end and partially filled with mercury barometric pressure the pressure due to the weight of the atmosphere; also called air pressure or atmospheric p...

WX201 Exam 1 (Units 1-4) Questions and Answers Aerosol In the atmosphere, tiny solid or liquid suspended particles of various compostion afe called: Photosynthesis Sinks of CO2 include Ozone (O3) Occurs at about 75,000 ft and absorbs UV rays Air can hold more water vapor when it is warm Meteorology is the study of: the atmosphere Since the turn of this century, CO2 in the atmosphere has: Been increasing in concentration The only substance near the earths surf...

WX201 Exam 1 Exam with correct Answers Graded A+ A greenhouse gas is one that absorbs outgoing infrared radiation Which of the following is a permanent gas? Ozone (O3) Water Vapor (H2O) Nitrogen (N2) Carbon Dioxide (CO2) Nitrogen Which of the following gases absorbs ultraviolet light, protecting life on earth? Ozone T/F: Cold air can hold less water vapor than hot air F; Warm air can hold more water vapor Why have global stratospheric ozone concentrations decreased i...

WX201 Exam 2 Questions and Answers Graded A+ Stable If an object is displaced, it will respond in a manner than returns it to its original position Neutral Stability If an object is displaced it will remain at its new location Unstable If an object is displaced, it will continue to move away from its original position Positively Bouyant An air parcel is warmer than its environment it is what Negatively bouyant An air parcel is colder than its environment is what En...