More in Patient Rights. Drugs work in your body in a variety of ways. They can interfere with microorganisms (germs) that invade your body, destroy abnormal cells that cause cancer, replace deficient substances (such as hormones or vitamins), or change the way that cells work in your body.
Pangaea begins to break up. Pangaea (sometimes spelled Pangea), the most recent of a series of supercontinents on Earth, formed about 270 million years ago and broke apart about 200 million years ago. At this time most of the dry land on Earth was joined into one huge landmass that covered nearly a third of the planet's surface.
Pangaea was a supercontinent that formed approximately 300 million  years ago. It existed during the Paleozoic and early Mesozoic eras,  breaking apart to form the continent â¦ s we know today after about 100  million years.20 people found this useful. Julie Kostka.  Pangaea is believed to have formed around 300 million years ago and  began to break up around 175 million years ago.