Which group of refrigerants is used in blends to enhance oil return, usually at 3 percent or less of the blend?
a. HFC refrigerants
b. HCFC refrigerants
c. HC refrigerants
d. HFO refrigerants
c. HC refrigerants
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Describe one nanotechnology or MEM device developed for medical technology.
What will be an ideal response?
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If two angles of a triangle are equal to two angles of another triangle, the triangles are congruent.
Answer the following statement true (T) or false (F)
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The 2002 stocktaking for the World Food Summit underscores the potential for biotechnology as a means of meeting world food needs
Indicate whether the statement is true or false
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Choose the item that describes the best form of advertising
A) Direct mail B) Newspaper C) Radio D) Word-of mouth
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