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isodynamic line

[ ī′sō-dī-nămĭk ]
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A line on a map connecting points on the Earth where the strength of the Earth's magnetic field is the same.
QUIZ
THINGAMABOB OR THINGUMMY: CAN YOU DISTINGUISH BETWEEN THE US AND UK TERMS IN THIS QUIZ?
Do you know the difference between everyday US and UK terminology? Test yourself with this quiz on words that differ across the Atlantic.
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In the UK, COTTON CANDY is more commonly known as…
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