Ozone is depleted by ____________________ solvents.
Fill in the blank(s) with the appropriate word(s).
chlorinated hydrocarbon
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How are mechanical interlocks shown in a schematic diagram?
What will be an ideal response?
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A group of animals having common ancestors and similar characteristics that are passed on to their
offspring is called a:
a. group c. trait b. herd d. breed
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Why is high accuracy required with an item such as masonry?
What will be an ideal response?
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What do the letters "LED" represent?
A. Light-emitting diode B. Loose electron delay C. Lagging electrical device D. Low-emission device
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