Amethod of increasing water supplies that has been successful, if expensive, is
a. desalinizat...
Amethod of increasing water supplies that has been successful, if expensive, is
a. desalinization by reverse osmosis.
b. cloud seeding.
c. towing icebergs by ship from polar regions.
d. altering the climate's convection currents.
e. none of these methods are successful.
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In a system, when potential energy decreases, then entropy also decreases. true false
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Road users moving into your lane, brake lights, and abrupt changes in road surface are a. rare at night b. indicators of potential hazards c. not worth worrying about before you reach them d. no problem for experienced drivers
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Abicycle slows down when the rider applies the brakes. what type of energy transformation is involved in this example? a. kinetic energy into heat energy b. heat energy into potential energy c. potential energy into kinetic energy d. kinetic energy into mechanical energy
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A250-n box is at rest on a frictionless horizotal floor. then a person shoves the box with a non-zero force of magnitude p. which statement best describes the relationship betweeen p and the motion of the box after it was shoved? -the box will not move when p< 250n but otherwise will accelerate at a constant rate that is directly proportional to p - the box will begin moving at a speed that is directly proportional to p, then will gradually slow to a halt -the box will move with constant velocity at a speed that is directly proportional to p -box will accelerate across the floor at a constant rate that is directly proportional to p
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