Early civilizations were marked by
A. irrigation farming
B. huge accumulations of wealth and major buildings
C. writing
D. all of the choices are correct
D. all of the choices are correct
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The numerical models used by today's forecasters span about this many size magnitudes
A) three B) five C) seven D) nine
What are two types of alpine glacier?
a. ice caps and cirque glaciers b. valley glaciers and cirque glaciers c. ice sheets and piedmont glaciers d. ice caps and piedmont glaciers
One difference between any two different map projections must always be ________.
a. the number of degrees from the equator to the North Pole b. how the geographic grid is arranged c. scale d. how accurately shapes are portrayed e. ho accurately relative sizes are portrayed
Flowing northward along the east coast of the United States is a tremendous warm water current called the ____________________
Fill in the blank with correct word.