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Environmental Science
Sean Carey

Radiation Question 1 0 / 1 point The Northern Hemisphere and the Southern Hemisphere receive the same amount of insolation on this day: a) March equinox. b) June solstice. c) Earth's aphelion. d) December solstice. Question 2 0 / 1 point According to the Stefan-Boltzmann equation: a) Graybodies have an emissivity factor of 1 If the intensity of the radiation emitted by an object b) increases 8-fold, then its temperature has been reduced in half If the intensity of the radiation emitted by an object c) increases 4-fold, then its temperature has been reduced in half If the intensity of the radiation emitted by an object d) decreases 16-fold, then its temperature has been reduced in half Question 3 1 / 1 point Where is there an annual net radiation surplus? a) subarctic and polar regions b) subtropical and polar regions c) subtropical and midlatitude regions d) equatorial region and subtropical regions Question 4 0 / 1 point On the June solstice the subsolar point is located at the ____________. a) 0° b) 26.5°N c) 23.5°S d) 23.5°N Question 5 1 / 1 point A ___________ is a body that is perfectly efficient at emitting radiation and hence emits exactly the amount predicted by theoretical principles. a) wavelength b) thermal radiation c) emission d) blackbody Question 6 1 / 1 point The reason for the seasons is due to: a) perihelion b) earth's orbit c) earth's tilt @ 23.5° d) earth's rotation Composition Question 7 1 / 1 point The first layer of the atmosphere (closest to earth) is the ___________. a) stratosphere b) thermosphere c) mesosphere d) troposphere Question 8 1 / 1 point The highest temperatures are typically found in the: a) thermosphere. b) mesosphere. c) troposphere. d) stratosphere. Question 9 1 / 1 point The air temperature is generally ____________ at higher altitudes in the troposphere compared to the surface. a) lapse rate b) cooler c) warmer d) the same Question 10 1 / 1 point Water vapor ____________ radiation emitted by the Earth before the radiation can escape to space; it also emits radiation back to the Earth's surface. a) effects b) absorbs c) reflects d) diminishes Question 11 1 / 1 point In the lowest layer of the atmosphere, temperature usually ______ with increasing height. a) rises b) rises and falls c) remains constant d) falls Background / Intro Question 12 1 / 1 point Pressure exerted by the atmosphere because of the force of gravity acting upon the overlying column of air is known as _____. a) barometer b) ideal gas law c) altitude d) atmospheric pressure Question 13 1 / 1 point The Equation of State (Ideal Gas Law) gives a relationship between: a) pressure and wind speed. b) pressure, altitude, and density. c) pressure, density, and temperature. d) pressure, moisture content, and density. e) none of the above Question 14 1 / 1 point Air pressure is: a) the sum of the partial pressures of its constituent gases. b) independent of the temperature of air. c) independent of the density of air. d) measured in pascals by American meteorologists. Sean Questions Question 15 1 / 1 point Warming in the stratosphere is mainly caused by: a) frictional heating caused by meteorites chemical reactions between ozone and b) chlorofluorocarbons c) release of latent heat energy during condensation d) absorption of ultraviolet radiation by ozone Question 16 1 / 1 point Does heat flow from objects of high temperature to low temperature a) False b) True Question 17 1 / 1 point Which of the following always decreases as we climb upward in the atmosphere? a) pressure b) moisture c) temperature d) wind Question 18 1 / 1 point The amount of force exerted over an area of surface is called a) weight b) pressure c) density d) temperature Question 19 1 / 1 point Almost all of the earth’s weather occurs in the a) mesosphere b) troposphere c) exosphere d) stratosphere Question 20 1 / 1 point Approximately what day of the year does every place have the same number of daylight hours. a) September 21 b) February 14 c) December 21 d) June 21 Section 1 Question 1 1 / 1 point Coastal areas experience ___________ annual temperature changes compared to locations further inland due to their proximity to a large body of water and water's _______ specific heat capacity. a) moderate, high b) extreme; high c) extreme; low d) moderate, low Question 2 1 / 1 point Absorption: a) is typically greater in desert areas than in humid areas. b) is performed quite well by the atmosphere for visible wavelengths. does not prevent most ultraviolet light from reaching c) Earth's surface. d) is done to differing degrees by different gases. Question 3 0 / 1 point Letter B represents: longwave radiation emitted by the atmospheric a) greenhouse gases back to the surface. b) longwave radiation absorbed by the atmospheric greenhouse gases. c) longwave radiation emitted from surface that escapes to space. d) longwave radiation emitted by the atmospheric greenhouse gases back to space. Question 4 1 / 1 point Air temperature generally ____________ as you go from the equator towards the poles. a) increases b) remains constant for another month in July c) remains constant d) decreases Question 5 1 / 1 point ____________ is the state of a substance: either solid, liquid, or gas. a) Phase b) Latent heat c) Sensible heat d) Melting Question 6 1 / 1 point The gases such as carbon dioxide, water vapor, methane, ozone, and nitrous oxide are all: a) greenhouse gases b) tiny frozen water droplets. c) liquids d) scatters Question 7 1 / 1 point ___________ is a process in which electromagnetic energy is transferred to heat energy when radiation reach molecules or particles in a gas, liquid, or solid. a) Blackbody b) Absorption c) Scattering d) Reflection Question 8 1 / 1 point The pavement on the right _____________ more sunlight than the snow on the left. a) scatters b) reflects c) conducts d) absorbs Question 9 1 / 1 point Sensible heat: a) does not involve changes in temperature. is released or absorbed when a substance undergoes a b) phase change. is dependent upon the specific heat of the substance c) involved. travels by convection through the laminar boundary d) layer. Question 10 1 / 1 point A greenhouse: a) blocks the transfer of longwave radiation. b) is impermeable to shortwave radiation. c) allows the loss of sensible heat. d) allows the loss of latent heat. Question 11 1 / 1 point Which surface would you expect to have a higher sensible heat? a) a desert surface b) a glacier surface c) a pond d) a well watered grass Question 12 1 / 1 point Electromagnetic radiation in the range 3–30 µm is known as ____________. It is also the type of radiation emitted by the Earth and atmosphere. a) longwave radiation b) scattered c) shortwave radiation d) absorbed Question 13 0 / 1 point The single most important control on temperature is a) longitdue b) latitude c) altitude d) distirbtion of land and water Question 14 1 / 1 point The atmosphere is a(n): a) blackbody absorber. b) selective absorber. c) inferior absorber of x-rays. d) absorber of all radiation equally. Question 15 1 / 1 point The reason that the daily maximum temperature is after the maximum solar heating is because: a) the Sun has more energy when shining from the west. b) the atmosphere is "thinner" in the afternoon. c) there is a thermal "lag" in the heating of the atmosphere. None of the above. There is no relationship between the d) maximum amount of sunshine and the time of maximum daily temperature. Question 16 1 / 1 point Free convection is the mixing process related to: a) buoyancy. b) conduction. c) subsidence. d) drying. Question 17 1 / 1 point According to Kirchoff’s law: Good absorbers are good emitters at a particular a) wavelength Good absorbers are bad emitters at a particular b) wavelength c) Good absorbers are bad emitters at any wavelength Bad absorbers are good emitters at a particular d) wavelength Question 18 1 / 1 point Most of the energy from the sun is in the _____________ spectrum. a) near Infrared b) ultraviolet c) infrared d) visible Question 19 0 / 1 point Compared to land, water bodies: a) are more greatly influenced by continentality. b) warm more quickly. c) have a lower specific heat. d) cool more slowly. Question 20 1 / 1 point Temperatures at any point on the face of the earth are influenced by: a) latitude. b) altitude. c) proximity to water. d) all of the above Stability Question 1 1 / 1 point When air is forced to descend, its temperature ________________. a) increases b) remains constant
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