Which Milankovitch cycle lasts about 100,000 years?
A. precession
B. tilt angle variation
C. orbital eccentricity
Answer: C
Environmental & Atmospheric Sciences
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Calculate the power requirement in horsepower for an escalator in a mall that transports 50 people with an average of weight of 170 lbf (756 N) a vertical distance of 30 feet (9.1 m) in 25 seconds.
What will be an ideal response?
Environmental & Atmospheric Sciences
Columnar joints, which contain roughly hexagonal columns of basalt, form when lava flow cools.
a. true b. false
Environmental & Atmospheric Sciences
The 90 degrees angle rays strike the Tropic of Cancer on:
A) September 22. B) July 4. C) December 21. D) March 21. E) June 21.
Environmental & Atmospheric Sciences
Geographers are interested in the spatial context of things
Indicate whether the statement is true or false
Environmental & Atmospheric Sciences