Nuts, bolts, and jar lids are examples of _____

A) screws?
B) wheels?
C) gears?
D) levers


A

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Electrical licensing requirements are set by _____.

a. NCCER b. states or municipalities c. DOL d. OSHA

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The risk, or hazard, of pesticide applications has been expressed as: Risk (Hazard) = Toxicity x

Exposure.

Indicate whether the statement is true or false.

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The availability of which of the following micronutrients is commonly affected by soil redox potential?

A) cobalt B) manganese C) zinc D) boron E) all of the above

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A circuit with one stable state is called

A) an astable multivibrator B) tristable multivibrator C) a monostable multivibrator D) bistable multivibrator

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