In the United States between the 1970s and the 1990s, the level of heavy metals found in municipal sewage sludge ________

A) increased substantially B) decreased substantially C) stayed about the same


B

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In this diagram the number "0.5" refers to ________.



A) The wire color
B) Current flow in the circuit
C) The size of the wire
D) The circuit number

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Many modern vehicles are equipped with a ____ system that is used to lock and unlock the doors, turn on the interior lights, and release the trunk latch prior to approaching the vehicle.

A. remote keyless entry B. wireless entry C. remote starter D. remote access

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Which of the following soil temperature regimes would provide the warmest and least variable soil temperatures?

A) Isomeric B) Thermic C) Hyperthermic D) Mesic E) Isohyperthermic

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To protect the end of a threaded rod, use a:

A) Cap nut B) Plastic tube C) Pipe cap D) Thread protector

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