Plummeting insect numbers threaten collapse of nature
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05-10-2019, 07:02 PM
Post: #44
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RE: Plummeting insect numbers threaten collapse of nature
(05-10-2019 12:31 AM)Thomas Okken Wrote: When you encounter units, like SI units, they are usually preceded by a sequence of one or more symbols, like 3 or 5 or 16 or 2.718. These are commonly called numbers. The product of a number and a unit is called a quantity, and is a real, physical thing. Yes, but how about dimensionless units such as those used for angular measurements. Are those real, physical things? — Ian Abbott |
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