A(n) ____________________ is an insect or rodent that may carry human diseases. They may be

attracted to fields treated with biosolids.



Fill in the blank(s) with the appropriate word(s).


ANS: vector

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

1. A flow switch either closes or opens a set of gates. 2. Typical applications of flow switches are commonly found in the chemical and petroleum industries. 3. The insulation of the wire leading to the switches must be adequate to withstand the high pressure of the liquid inside the pipe. 4. You can consult the NECĀ® for insulation temperature ratings. 5. Air condition and heating circuits often use timed contacts that are self-contained and do not require a coil for operation. Their time delay is preset and cannot be adjusted.

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World Population in 1850 has been estimated at about 1 billion. World population reached 4 billion in 1975. What was the exponential growth rate during this time in percent?



What will be an ideal response?

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The ____ utility manages concurrent access to files in a hierarchy.

A. tree B. rlog C. rcs D. cvs

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For a wall finish in which the material on the bottom portion of the wall is different from that on the upper portion, the lower portion is the wainscot and the material used is wainscoting.

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

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