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From Wikipedia:
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The term obverse, and its opposite, reverse, describe the two sides of units of currency and many other kinds of two-sided objects, most often in reference to coins, but also to flags (see Flag terminology), medals, drawings, old master prints and other works of art. The terms may respectively be interchanged with the more casual but less precise terms "front" and "back," or (for coins only) "heads" and "tails." In many such areas other than coins, reverse is much more commonly used than obverse, and front and reverse may also be used. |
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A snake is an elongate reptile of the suborder Serpentes. Like all reptiles, snakes are covered in scales. All snakes are carnivorous and can be distinguished from legless lizards by their lack of eyelids, limbs, external ears, and vestiges of forelimbs. The 2,700+ species of snakes spread across every continent except Antarctica ranging in size from the tiny, 10 cm long thread snake to pythons and anacondas at 9 m (30 ft) long. In order to accommodate snakes' narrow bodies, paired organs (such as kidneys) appear one in front of the other instead of side by side.
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