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Global Environments University of Iowa Exam 2 Question and answers correctly solved 2024

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Global Environments University of Iowa Exam 2 Question and answers correctly solved 2024 Global Environments University of Iowa Exam 2 How is energy transferred? - correct answer Conduction, Convection, Radiation Convection - correct answer Transfer of molecule groups through movement in...

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  • August 30, 2024
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Global Environments University of Iowa
Exam 2
How is energy transferred? - correct answer ✔Conduction, Convection,
Radiation


Convection - correct answer ✔Transfer of molecule groups through
movement in a fluid


Conduction - correct answer ✔Physical contact of molecules


Radiation - correct answer ✔Transfer of energy without a medium


How do long wave and short wave differ? - correct answer ✔Short wave has
high variability based on season and spatially with latitude. Long wave
generally has very low variability.


Radiation Types - correct answer ✔Radio waves, micro waves, infrared,
visible light, x-rays, gamma rays


What type is most incoming radiation? - correct answer ✔Shortwave, from
the sun


What ways do we keep incoming radiation from being absorbed? - correct
answer ✔White roofs, actual green roofs, reflected from clouds and aerosols


What controls the pattern we see in long wave radiation emission? - correct
answer ✔Greenhouse effect/cloud cover

, What is the equation for global energy balance? - correct answer ✔SW(net)
+LW(net)


In what ways have humans altered local energy balances? - correct answer
✔Urban Heat Island Effect, Aerosols increase short wave up (reflection) and
Long wave down (greenhouse)


Latent Heat of Evaporation - correct answer ✔Liquid>Gas takes and stores
energy. Dominant way of energy transfer globally


Sensible Heat - correct answer ✔Transfered by warming air. No phase
change. Increases air temperature and warms surroundings


Low latitudes (near equator) - correct answer ✔Energy Surplus


Higher Latitude (Closer to poles) - correct answer ✔Energy Deficit


Earth Total Energy - correct answer ✔Usually a net zero, any excess is
transferred to poles


Definition of Temperature - correct answer ✔Measure of kinetic energy in
molecules of what is measured


What is relative temperature? Why do we have this? - correct answer ✔How
it feels to a person. Gives a proxy of frostbite or heatstroke danger


What are examples of relative temperature - correct answer ✔Heat Index,
Wind Chill

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