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Geography 101 Seasons/atmosphere

Terms in this set (14)

The main reason that locations on Earth experience seasons is that
the tilt of the earth as it revolves around distributes sunlight and energy unevenly.
Assuming that you are in a location where noontime sun is visible throughout the year, the solar altitude (angle of the sun above the horizon at noontime) ____________.
changes 23.5 degrees from solstice to equinox.
In which of the following regions would you expect the largest seasonal changes in solar energy receipt?
The highest latitudes
The peak darkness of the Arctic winter, when the circle of illumination barely touches the Arctic Circle, leaving the Artic region entirely in the dark occurs on or about ________.
December 21
Perihelion, when Earth is closest to the sun, occurs is during the month of
January
On March 21, there were about ____ daylight hours in Glendale.
12
LA would have more intense summers and winters if the earth's axial tilt was _____ degrees from the perpendicular of the plane of the ecliptic
20
Between September 23 and March 20, you will generally get more daylight hours if you live further ______ than another place on Earth
South
The main component of the lower atmosphere by total volume is ________.
Nitrogen
Which of the following best describes the relationship between atmospheric pressure and altitude on Earth?
Atmospheric pressure decreases exponentially as altitude increases.
Clouds, precipitation and weather are found in this atmospheric layer.
stratosphere
A molecule of ozone gas consists of
two oxygen atoms.
The ozone layer is in that portion of the atmosphere known as the
stratosphere
The ozone later is most important to us because it acts to ___________.
absorb UV radiation
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