Western North America is the leading edge of the ________ plate
Fill in the blank(s) with correct word
North American
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Instructions: Choose one answer from each pair of selections. The term "horse latitudes" refers to a region of high pressure where winds are weak and precipitation is PLENTIFUL | SCARCE
In 1900, the second largest city in the United States, next to New York City, was
A) Cleveland, Ohio B) St. Louis, Missouri C) Chicago, Illinois D) Detroit, Michigan
Why do humid tropical regions have only small variations in temperature throughout the year?
A) The canopy of trees in the rain forest shade the ground and reflect light all the time. B) The cloud cover and rain do not allow the temperatures to rise or fall significantly. C) The winds associated with these systems rapidly redistribute the heat. D) The location of this climatic region is limited to an area where the solar radiation does not vary significantly. E) The constant humidity maintains a relatively uniform temperature.
The oldest known rock found on Earth is dated at
A. over 4 billion years old. B. 500 million years old. C. 1 million years old.