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WX 201 EXAM 1 QUESTIONS AND ANSWERS
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WX 201 EXAM 1 QUESTIONS AND ANSWERS
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WX 201 EXAM 1 QUESTIONS AND ANSWERSScience - Answers-the process of understanding natural phenomenon that occur
around us.
1.) Observation (What happened?).
2) Explanation and understanding (Why did it happen?).
3) Prediction (What will happen?).
Meteorology - Answers-The study of the atmosphere and atmospheric phenomenon
(i.e., the science that examines the atmosphere).
Atmosphere - Answers-A mixture of gases that surrounds the Earth within which "tiny"
solid and liquid particles are suspended.
Gases in the atmosphere - Answers-Nitrogen 78%
Oxygen 21%
Argon less than 1%
Carbon Dioxide - Answers-less than 1% but very important. Very important in heating
our atmosphere. It is a green house gas.
Density... - Answers-decreases with altitude at a decreasing rate
Atmospheric pressure... - Answers-decreases with altitude at a decreasing rate
Troposphere - Answers-(sfc to ~10 km; deeper near the equator, becomes shallower
towards the poles) temperature generally decreases with height. Weather formation
Stratosphere - Answers-10 km to 50 km. Temp increase when height increases
because of the absorption of uv radiation by the ozone layer.
Mesosphere - Answers-50 km to 90 km. temp decrease with height
Thermosphere - Answers-90 km and up. Temp increases with height due to absorption
of high energy solar radiation by oxygen. Temp dependent on solar activity
Environmental Lapse Rate - Answers-the rate at which air temperature changes with
altitude, specifically the rate at which air temperature decreases with altitude
Temperature Inversion - Answers-the situation where the temperature increases with
altitude (e.g., in the stratosphere); the lapse rate is negative in an inversion
Isothermal Layer - Answers-layer of constant temperature, lapse rate = 0
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