What does the word toxicity mean?
What will be an ideal response?
Having poisonous characteristics
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In general, cats
A. Enjoy lying in a sunbeam B. Are fond of toys with fur or feathers C. Have an enduring interest in birds D. All of the above E. A and C above
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The substance that is used as the constant common material to measure specific gravity of solids is:
A) Air in a vacuum @ 29.9 in Hg. B) Ice @ standard conditions. C) Water @ standard conditions. D) Air at standard conditions.
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What is an unlikely effect of a leak or drip in a hot water piping system??
A. ?increased thermal load B. ?decreased thermal load C. ?wasted water D. ?annoyance
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The machine tool used to cut internal threads is called:
a. a die b. a tap c. an internal threader d. a threader
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