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Home Page Test Answers Bar code readers use _______ embedded in them to read bar codes. - Q/A (Question and Answer)

Bar code readers use _______ embedded in them to read bar codes.

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Bar code readers use _______ embedded in them to read bar codes. – Q/A (Question and Answer)
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Chad Lipe

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Answer:

photoelectric cells

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What is the right structure for an essay
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A paragraph is a related group of sentences that develops one main idea. Each paragraph in the body of the essay should contain:
  • a topic sentence that states the main or controlling idea
  • supporting sentences to explain and develop the point you’re making
  • evidence from your reading or an example from the subject area that supports your point
  • analysis of the implication/significance/impact of the evidence finished off with a critical conclusion you have drawn from the evidence.