Scientists are constantly finding organisms that no one knew existed

Indicate whether the statement is true or false


T

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Answer the following statement(s) true (T) or false (F)

The guard of a circular saw should never be retracted by hand.

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A ____________________ is a chemical messenger carried in blood, produced by an endocrine gland or tissue, that exerts a specific effect on target cells/tissues/organs

Fill in the blank(s) with correct word

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What two functions does the evaporator of a domestic refrigerator perform?

A. Filters and cools the air. B. Absorbs and dissipates heat. C. Humidifies and cools the air. D. Dehumidifies and cools the air.

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Technician A says that a leaf spring suspension requires control arms to brace and position the rear axle. Technician B says that the leaf springs locate the axle under the vehicle. Which technician is correct?

A) Technician A only B) Technician B only C) Both technicians D) Neither technician

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