Explain why laboratory identification of a plastic so often involves burning the plastic
What will be an ideal response?
Many plastics can be readily distinguished by their burning characteristics and the burning tests are so easy to perform.
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In the marketing of rabbits, those with ____________________ pelts bring lower prices
Fill in the blank(s) with the appropriate word(s).
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_____________ describes a relationship between animals in which one benefits and the other is not harmed.
A. Parasitism B. Commensalism C. Mutualism D. Saprophytism
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What portion of the fiber strand carries the transmitted light?
A. Cladding B. Core C. Protective jacket D. Couplings
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For a single-phase compressor, which current-carrying lead does a current-transformer (CT) monitor current in?
a. Neutral b. Run c. Common d. Start
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