Whales make the loudest sounds underwater with 188 dBs, the whistle can travel up to 500 mile.
The world’s largest museum is the ocean. Underwater you can find relics, artifacts, ruins, and shipwrecks that number more than what you can find in the world’s museums combined.
Earth’s surface is covered with 70.9% water, 29.1% land.
A jellyfish is 95 precent water.