- The basic arithmetic operations used in mathematics are addition, subtraction, multiplication and division..
- Dogs sweat through the pads on their feet.
- The average porcupine has 30,000 spikes.
- Archimedes of Syracuse lived around the year 250 BC and among other things, developed a method for determining the volume of objects with irregular shapes..
- Coffee is generally roasted between 204 - 218C (400 - 425F) (the longer the beans are roasted the darker the roast).
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