Solar photovoltaic devices are comprised of which two types of semiconductors?
What will be an ideal response?
A solar cell consists of an n-type semiconductor in contact with a p-type semiconductor.
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A supervisor trying to mend a difficult situation by concealing it with lots of positive comments and good feelings is using ______ as a strategy for resolving conflict.
a. decision-making b. problem solving c. natural mentoring d. smoothing over
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Cooperative extension agents only serve producers
Indicate whether the statement is true or false.
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A member of the aster flower family is a _____
A) lily B) rose C) sunflower D) poppy
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What material is used for refrigerant piping heating, air conditioning, and refrigeration systems?
A) Iron pipe B) Copper tubing C) Aluminum tubing D) Galvanized pipe
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