Evangelista Torricelli, a pupil of Galileo, determined that
A) large-scale circulations of winds.
B) air pressure varied with weather conditions.
C) winds flow from airs of high to low pressure.
D) atmospheric pressure is uniform in the troposphere.
B
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Electric meters and electric motors are
A. similar devices. B. opposites of each other. C. devices that operate via different physics. D. none of the above
Withdrawal is the total amount of water
A. Altered or polluted in human activities B. Lost due to chemical transformation because of human use C. Lost in transmission, due to evaporation or leakage D. Used in manufacturing or agriculture E. Taken from rivers, lakes, or aquifers
A cross section of the ocean from its surface to the seafloor shows
A. more dense, warmer water overlying denser, colder water. B. less dense, colder water overlying less dense, warmer water. C. more dense, warm water overlying less dense, colder water. D. less dense, warmer water overlying denser, colder water.
Two factors that greatly affect air resistance on falling objects are the size and
A) mass of the object. B) weight of the object. C) speed of the object.