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Pollution, overfishing, destructive fishing practices using dynamite or cyanide, collecting live corals for the aquarium market, mining coral for building materials, and a warming climate are some of the many ways that people damage reefs all around the world every day.
Hope it is helpful
D.ocean, my proof, ever been to the beach and you just taste your lips after an hour, and it's just the freshest salt you've ever tasted? That never happens at ( most ) lakes or streams, therefore, Oceans have habits of being salty.
Some enzymes which have been known longer have older names that don't end in "ase." For example: pepsin<span>, </span>trypsin<span>, and chrymotrypsin which are all enzymes localized in the digestive tract.</span>