One of the oldest species of animal still with us are the horseshoe crabs who appeared 445 million years ago. They've survived for 75% of the entire span of animal life on the planet.
Your voice would be deeper on Venus. Its dense atmosphere would cause your vocal cords to vibrate more slowly. Even on Earth, filling your lungs with any denser-than-air gas would have this effect.
03-Aug-2019 18:28:09
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03-Aug-2019 18:29:52
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Megalon