What do the following have in common?
- The length of your last bike ride
- The temperature outside today
- Your age
All these measurements have units. Miles, degrees Fahrenheit, years. In fact units define a measurement. I could also tell you that the units are meters, kelvin, and seconds, and the measurement would have to reflect this change.
Antarctica is a place of enormity, however it’s pretty easy to forget about this mysterious snowy continent. Check out any world map. Often Antarctica is completely missing or hugely distorted!
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