Geologically, the earliest rock on the Earth's surface was _______.
A) an igneous rock.
B) a sedimentary rock.
C) a metamorphic rock.
D) none of the above.
A) an igneous rock.
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Paint is discharged from an airless gun at enough of a pressure to penetrate the skin
Indicate whether the statement is true or false.
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A reading taken on a leveling rod held on a point of unknown elevation is called the _____.
A compound generator has both series and shunt field windings. When those windings are connected so they aid each other in the production of magnetism, that connection is called _____.
A. cumulative-compound B. differential-compound
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Which of the following is NOT part of a private sewage disposal system?
A. septic tank B. oxygenated tank C. distribution box D. leaching field
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