Envir Sci 1A03: Quizzes

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McMaster University
Environmental Science
Sean Carey

Quiz 1 Radiation 11 point Question 1Moment in time when the North Pole is directed 235 away from the Sun a June solstice b March equinox c Earths aphelion December d solstice 11 point Question 2Electromagnetic radiation in the range 330 m is known as It is also the type of radiation emitted by the Earth and atmosphere a absorbed b longwave radiation c scattered shortwave d radiation 01 point Question 3The range of wavelengths where the atmospheric window is lies a between 2 and 6 microns between 8 and 12 b microns c in the visible range d less than 04 microns 11 point Question 4Hot objects radiateenergy than cooler objects the a same b more c less d zero 11 point Question 5Ais a body that is perfectly efficient at emitting radiation and hence emits exactly the amount predicted by theoretical principles a emission b wavelength thermal c radiation d blackbody 01 point Question 6On the June solstice the subsolar point is located at thea 235S 235b N c 0 265d N Composition 11 point Question 7Methane a is a good reflector of thermal radiation b is a permanent gas c has increased in concentration over the last 50 or so years d is removed from the atmosphere by the digestive processes of cattle 11 point Question 8In the lowest layer of the atmosphere temperature usuallywith increasing height a falls remains b constant c rises d rises and falls 01 point Question 9The troposphere a contains a bit less than half the atmospheres mass b stays about the same temperature above three kilometers c has height that is relatively consistent at about ten kilometers d is characterized in part by vertical mixing of air 11 point Question 10The air temperature is generallyat higher altitudes in the troposphere compared to the surface lapse a rate b warmer c cooler d the same 01 point Question 11The rate at which the actual temperature at a particular location and time drops with increasing height is known as thetropospheric a temperature b lapse rate c outside rate d environmental lapse rate BackgroundIntro 11 point Question 12Air pressure a is independent of the force of gravity b is exerted downward only c constantly changes in order to avoid equilibrium
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