Inclining the sides of a trench in a series of steps to prevent cave-ins is known as _____.

a. backstepping
b. benching
c. tiering
d. pyramiding


Answer: B

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When people begin working for an organization, they formulate a psychological contract

with their employer.

Indicate whether the statement is true or false.

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The two halves of a PVC fitting jacket are properly secured using _____.

a. stainless steel staples b. fiber-reinforced tape c. welding adhesive d. adhesive mastic

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The second word in the binomial plant naming system is the ____

a. genus c. Latin name b. specific epithet d. common name

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Find i?, i? in Fig. 2.73.

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