Chapter 10 Flashcards
Day length varies with latitude.
True
The latitude of the equator is 90 degrees.
False (0 degrees)
There are five named lines of latitude.
True
It is possible for the sun to be at its zenith at the Arctic Circle
False
The two layers of our atmosphere that influence biological activities are the troposphere and mesosphere.
False (troposphere and stratosphere)
Earth’s average air temperature has increased by 1 degree in the past 100 years.
True
A state by the ocean such as New Jersey has more fluctuation in air and soil temperature than a landlocked state such as Minnesota.
False
The orographic effect causes wet conditions on the leeward side and dry conditions on the windward side.
False
Less than 0.5 percent of Earth’s water is in the form of groundwater.
True
Naturally low rainfall is also known as drought.
False
Chilling injury occurs at a lower temperature than freezing injury.
False
Fallowing involves land in rotation that is not cropped for a season or more.
True
Drainage systems can lower the water table of a soil.
True
Relative maturity (RM) is a system that denotes the average days to physiological maturity for a particular hybrid.
True
The Colorado River and its reservoirs are being depleted due to increased agricultural use and population growth in the Southwest.
True
What percent of the sun’s energy reaches earth?
1 percent
How much of the portion of the sun’s energy that reaches Earth is absorbed or reflected by the atmosphere?
50 percent
Energy is greatest at which wavelengths?
short
Which is NOT a great influence on the amount and quality of light received on Earth?
a. the inclination of Earth
b. the yearly orbit of Earth
c. the daily spin of Earth
d. the orbit of the moon
D. the orbit of the moon
Because of which of the following do we experience seasons?
a. the inclination of Earth
b. the yearly orbit of Earth
c. the daily spin of Earth
d. the orbit of the moon
A. the inclination of Earth
At what angle does the sun’s radiation strike at the equator?
90 degrees
When were the concepts of latitude and longitude developed?
200 BCE
The layer of the atmosphere closest to Earth is the
troposphere
Which of the following is NOT known as a greenhouse gas?
a. O2
b. CO2
c. CH4
d. N2O
O2
Which type of air mass tends to be hot and dry?
continental tropical
The Koppen climate classification system has how many major climate types?
5
Which of the following is NOT a major climate type of the Koppen classification system?
a. arid
b. polar
c. tropical
d. Mediterranean
D. Mediterranean
Montana would be part of which general precipitation region?
semi-arid
Which natural catastrophe costs the United States the most on a yearly basis?
drought
Which temperature adaptation type would corn be catagorized as?
tropical
What temperature adaptation type would wheat be catagorized as?
temperate
Which moisture adaptation type would rice be catagorized as?
hydrophyte
Which moisture adaptation type would soybeans be catagorized as?
mesophyte
