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Phs 113 Mid Term

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PHS119 MIDTERM EXAM
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This midterm exam was completed individually by me. I did not receive nor did I give unauthorized assistance during the taking of this exam.
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Student Name
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1. (8pts) Is the atmospheric “greenhouse effect” bad for us and for our planet? Explain your answer. The greenhouse effect allows the sun’s radiation to get to Earth and absorbs some of the infrared radiation from Earth. Without the greenhouse effect, we would release too much infrared energy which would cause our planet to freeze. Greenhouse gases actually occur naturally and they are good for us and the planet because they are responsible for keeping the Earth warm enough to sustain life.
2. (8pts) Draw the atmosphere’s vertical temperature profile from the surface to about
75 miles high. Clearly label the different layers and the boundaries between the layers.
(Be sure to properly label the axes of your graph).

3. (9pts) Discuss three different types of “apparent temperature”. (Do not give three examples of the same type of apparent temperature). For each type, explain why the
“how-it-feels” temperature differs from the actual air temperature.

1. Due to the serious effects on your health that weather can have on a person, the Heat
Index was developed. The heat index takes into account air temperature and relative humidity to determine the apparent temperature of what it feels like outside. This differs from the actual air temperature as it can feel hotter outside when there is less humidity in the air.
2. How the wind makes us feel can be explained by the wind chill index. When the wind blows, it moves the warm insulating air away from you and heat is rapidly lost. When the wind blows faster, we lose heat even faster

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