MEA 130 Final Exam ncsu Complete Questions And Answers

Which of the following words is derived from the Greek term meaning "anything that fell from or was seen in the sky"? - meteorology Weather is defined as: - the state of the atmosphere at a specific time and place In discussing the Hydrosphere, we learned that the oceans cover ____ of the earth's surface and contain _____ of the earths water - 71%, 97% Which two gases comprise over 99% of the volume of the dry atmosphere - oxygen and nitrogen Which of the following is a trace gas? - argon Which of the following gases is considered permanent in that their concentrations vary little in time and or space - ozone Which gas a photo-receptor of harmful ultraviolet solar radiation? - ozone Which of the following is true concerning Argon - it comprises approximately 1% of the volume of the dry atmosphere Which of the following is true concerning water vapor - the most petrologically important gas Using the equation that allows us to approximate what the atmospheric pressure would be at any height, determine the pressure outside of a jet flying at a height of 12.5 km. - 213 mb Which of the following is true in the stratosphere? - warming is due to the absorption of UV radiation by the ozone, the air is stratified, temperature normally increases with height (deltaT/deltaZ > 0)The tropopause, which is an isothermal layer, has which of temperature profile - temperature remains constant with height (deltaT/deltaZ=0) Which of the following is true in the troposphere? - most of what is considered "weather" occurs here, the air is mixed well Which of the following gases is considered a major greenhouse gas - water vapor, carbon dioxide, methane As a part of the Montreal Protocol signed in 1987, the United States banned the non-essential use of CFCs because - it reduces the ozone concentration in the stratosphere The figure below depicts measurements of ____ mad at Mauna Loa, Hawaii (it is a upward trend graph with a squiggled line) - carbon dioxide The rapid increase in this gas concentration is attributed to: - fossil fuel burning and deforestation What is the name of this famous figure (upward trend graph with a squiggled line) - Keeling Curve What special time of year is depicted (sun rays directly on the earth with shadow in the middle and axil center) - either Autumn Equinox or Spring Equinox (they are the same) How many hours of daylight would Raleigh have during the Spring/Autumn Equinox - exactly 12 hours Wich is true about this particular time of year (Spring/Autumn Equinox) - The noontime sun is directly overhead the Equator A blackbody is a body that - absorbs all of the radiation that strikes it, selectively absorbs and emits radiation as a function of lambdaWhat acts a blackbody? - earth and sun The UV Index was developed to bring attention to the dangers of over exposure to the sun. An Index of 13 would indicate ____ exposure to harmful solar radiation? - very high (10-15) In which of the following area would you expect to observe the largest variation in temperatures, both daily and annually - high latitude in mid-continent region The Greenhouse Effect is _____ to the earth because it keeps the atmosphere roughly ________ than it would otherwise be. - beneficial, 60 degrees warmer Which of the following is not a controller of temperature - longitude The ______ Current that flows parallel to the west coast of the US keeps this area _________ than it wold otherwise be during the summer - California, cooler When compared to mid-continent regions, coastal regions tend to be _________ during the summer and _______ during the winter - cooler, warmer solar _________ passes through the atmosphere unimpaired, hearing the ground upon impact - radiation The ground then warms the first few inches of the atmosphere through _______ - conduction As the surface air warms, it becomes less dense and rides, carrying the heat vertically through __________. - convection heat then can move horizontally through ______. - advecti