EAS 120 Final Exam Questions with Correct Answers

EAS 120 Final Exam Questions with Correct Answers A temperature increase of 10C is greater than a temperature increase of 10F - AnswerTrue which permanent gas is the most abundant in Earth's atmosphere - Answer-Nitrogen Which variable gas do most scientist attribute to global warming - Answer-Carbon Dioxide Which geographical regime has witnessed the greatest increase of temperature during the period from 1975 to the present? - Answer-Land Which location's temperature appears to be mostly likely affected by increasing levels of atmospheric greenhouse gases? - Answer-Poles Absorption of ultraviolet radiation by ozone is most prominent in which atmospheric layer? - Answer-Stratosphere Which temperature is considered to be the lowest? 100 F 100 C 100 K - Answer-100 K When temperature increases with height, this is called an - Answer-inversion Which year had the largest maximum size of the ozone hole? - Answer-2001 How long is the residence time for water vapor? - Answer-10 days On the summer solstice, the noon sun angle for a location with a latitude of 65 N latitude would be 48.5 degrees above the south horizon (point). - Answer-TRUE In the Northern Hemisphere, September 21st is the first day of: - Answer-fall During the summer solstice, the Earth's north pole is tilted: - Answer-toward the sun On June 21st, an observer at the Arctic Circle (66.5 N) latitude would see the Sun at noon - Answer-at an altitude of approx 47 degrees above the south point On December 21st, an observer on the Arctic Circle would see the Sun at noon: - Answer-on the horizon Averaged over the course of a year, where on Earth is the maximum insolation? - Answer-between the tropic of cancer and the tropic of capricorn on the summer solstice how many hours of daylight are at the south pole - Answer-0 hours In summer, humid regions, such as Crystal Lake, typically have _______ daily temperature ranges and _______ maximum temperatures than drier regions, such as Tucson, AZ. - Answer-lower, lower The largest annual range of temperatures are found - Answer-in polar latitudes over land The wind chill factor is a function of which two meteorological variables? - Answertemperature and wind speed Why does the temperature tend to drop sharply every day around 7PM in mid-July in Crystal Lake? - Answer-the sun is setting The annual range of temperatures at McHenry County College (Crystal Lake, IL) in degrees Fahrenheit is 53.1F - Answer-TRUE The minimum air temperature needed to produce a "caution" classification for the heat index is - Answer-75 F If the air temperature was -10F and the wind speed was 35mph, it would take ______ minutes for frostbite to occur on exposed human skin - Answer-10 minutes A hurricane with a surface pressure of 888 mb would be equivalent to 26.22 inches of mercury - Answer-True As altitude increases, the air pressure decreases. - Answer-True The atmospheric balance of the atmosphere that keeps the air from falling on top of us is called ___________ balance (equilibrium) - Answer-hydrostatic why is ozone primarily important in the stratosphere? - Answer-it absorbs the sun's harmful ultraviolet rays the gas that constitutes about 78% of all gases in the Earth's atmosphere is called - Answer-Nitrogen Which gas in the atmosphere varies from 0-4% at different times and geographical regions? - Answer-water vapor the process of______removes carbon dioxide from the atmosphere - Answerphotosynthesis the average length of time that individual molecules of a given substance remain in the atmosphere is called? - Answer-residence time as you increase in altitude, the pressure in the atmosphere... - Answer-decreases logarithmically lowest layer in the atmosphere is called... - Answer-troposphere as you increase in altitude, the first layer that you come to that is considered an inversion is - Answer-stratosphere during the Northern Hemisphere's summer solstice, Earth's north pole is tilted - Answertowards the sun incoming solar radiation is often referred to as - Answer-insolation which of the following forms of energy has the shortest wavelength? (thermal infrared, radio, gamma, or ultraviolet) - Answer-gamma the higher the Sun's altitude the... - Answer-more direct the Sun's rays the original source of energy for nearly all atmospheric weather processes is - Answerthe sun Date of the vernal equinox in the northern hemisphere - Answer-March 21st latitude of the Arctic Circle is - Answer-66.5 N what receives 12 hours of darkness and 12 hours of daylight everyday of the year - Answer-equator