When the race begins and your body starts to move, the energy of ________ allows you to run and complete the race
A) motion B) fusion C) work D) heat E) fission
A
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A cowboy says he is going to ride his horse across the "Great Divide." What landform is he talking about?
A. a watershed B. a volcano C. a mountain range D. a stream
Earth's interacting subsystems or "spheres" are the
A. lithosphere, atmosphere, hydrosphere, biosphere, and ecosphere. B. lithosphere, hydrosphere, atmosphere, and biosphere. C. lithosphere, hydrosphere, and atmosphere. D. biosphere, lithosphere, and atmosphere.
A solution with a pH of 3 is ________ a solution with a pH of 5
A) 4 times less acidic B) 4 times more acidic C) twice as acidic D) half as acidic E) 100 times more acidic
The term nimbus, when used in describing clouds, means::
a. precipitation. b. ice crystals. c. highest. d. lightning and thunder.