I need help to I have a big test and I need help so bad
Do you mean in general or in a piece of paper?
Answer: Some conversions from one system of units to another need to be exact, without increasing or decreasing the precision of the first measurement. This is sometimes called soft conversion. It does not involve changing the physical configuration of the item being measured.
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The velocity of sound is greatest in option a water option be here option c vacancy option d metals.
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