The hang time of an athlete who moves horizontally 2.0 m during a 1.25-m high jump is

A. about 1 s.
B. less than 1 s.
C. more than 1 s.
D. need more information


Answer: A

Environmental & Atmospheric Sciences

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Government subsidies to fishing fleets

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Permanent settlements existed prior to the beginning of recorded history around ________ years ago

A) 10,000 B) 1,000 C) 200,000 D) 24,000 E) 5,000

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What is the correct order of ecosystems in altitudinal zonation, starting at lowest elevation and going to highest elevation?


A) (1) tierra templada; (2) tierra fria; (3) tierra helada; (4) tierra caliente
B) (1) tierra fria; (2) tierra helada; (3) tierra caliente; (4) tierra templada
C) (1) tierra caliente; (2) tierra templada; (3) tierra fria; (4) tierra helada
D) (1) tierra helada; (2) tierra caliente; (3) tierra templada; (4) tierra fria
E) (1) tierra templada; (2) tierra helada; (3) tierra caliente; (4) tierra fria

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Mesozoic-age coal deposits in the United States are the primary source of coal in this country. Indicate whether the statement is true or false

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