1.) The elevation of Denver, CO is significantly higher than that of Miami, Flor
ID: 288784 • Letter: 1
Question
1.) The elevation of Denver, CO is significantly higher than that of Miami, Florida. How should the surface atmospheric pressure and density of Denver generally compare to Miami?
a.)
b.)
c.)
d.)
4.) Which of the following growth processes best explains the growth of ice crystals by laers of supercooled water?
a.)higher than Miami
b.)lower than Miami
c.)same as Miami
d.)none of the above
6.) During what part of the diurnal cycle do we usually observe the highest temperatures?
a.)around noon
b.)near sunrise
c.)sunset
d.)overnight
e.) mid to late afternoon
7.) If you add water vapor to air while holding temperature constant what will happen to its relative humidity?
a.)none of the above
b.)no change
c.)decreases
d.)increases
8.) Air immediately next to the surface can become quite cold on a clear calm night. What heat transfer process causes the air to cool?
a.)radiation
b.)conduction
c.)convection
d.)advection
14.) On average, how should we expect proximity to a large body of water to influence the diurnal temperature range?
a.)no difference
b.)none of the above
c.)smaller
d.)greater
16.) When you stand six feet from a campfire, your face gets warm. what heat transfer process is responsible?
a.) conduction
b.) radiation
c.) advection
d.) convection
Explanation / Answer
1) We are given that the elevation of denver is more than that of miami. The atmospheric pressure at a given place is defined as the weight of air present in an unit area of that given place. Therefore as we increase the altitude of a given place from the mean sea level, the number of molecules would decrease with respect to the area that is provided. Also density of the air is defined as the amount of molecules of air present in unit volume of air. Hence it can be easily said that the Atmospheric pressure and the density would be comparatively lesser in denver than miami.
4) Diffusion is the main process by which an ice can grow in a layered supercooled water just as in clouds. This process(diffusion) is mainly involved because the supercooled water in clouds are already supersaturated by water, therefore diffusion can be the only process where the exchange takes place by the virtue of non energy expense.
6) Diurnal cycle is pattern that occurs due the full rotation of earth in 24 hours. Therefore it is very obvious that the temperature would be highest during the noon as the sun would be just above a particular place during that time.
7) Relative humidity is termed as the percentage of water vapour present in air with respect to the amount needed for it to get saturated under constant temperature. Therefore if we add water vapour in the atmosphere, the relatve humidity woould increase.
8) The process which is responsible for the heat exchange between the suspended particle and fluid is called advection. While the process causes the heat to change in the fluid is called convection. Therefore in this example, the air cools due to the process of convection because it acts as a fluid and the particles in it cools due to the process of advection because of it be suspended in air.
14) On an average there would be no difference in the temperature change in a diurnal cycle in a large body of water.
16) Whenever the heat exchange takes place when two mediums are not in contact with each other, the process of heat transfer is due to convection. Therefore , the heat transfer due to the a campfire in the face si due to convection.
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