A cannonball shot from a cannon with a long barrel will have a greater muzzle velocity because the cannonball receives a greater
A) force.
B) impulse.
C) both A and B
D) neither A nor B
B
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For evolution to occur, variation must occur and favorable conditions must exist for the
variations to survive. Indicate whether the statement is true or false.
The deadly 2014 Oso, Washington, landslide was caused by ________ that caused weak sand and gravel deposits to lose their strength.
A. heavy rainfall B. an earthquake C. road construction D. quickly melted snow E. a volcanic eruption
Supercell thunderstorms are different from ordinary thunderstorms in that supercell thunderstorms?
a. ?contain thunder and lightning. b. ?have an anvil. c. ?contain hail. d. ?have a strong updraft and downdraft. e. ?have a tilted updraft in the mature stage.
After Yellowstone's devastating fire season of 1988, which of the following will be a long-term benefit to Yellowstone's ecosystem?
A) Stand replacement of lodgepole pines B) Lesser runoff from rainfall C) Lowering of tourist visits D) The change in local climate E) Lessening of hydrothermal activity