Earth's history. In the worst one, 250 million years ago, 96 percent of marine species and 70 percent of land species died off. It took millions of years to recover.
Sometimes they're used as drugs. The classic example might be penicillin, a compound made by a fungus and used as the first widely-available antibiotic.
The ER functions as a manufacturing and packaging system. #markasbrainliest
Cause waters wet so the acid from the water is not dry
