<span>Some 120 prescription drugs sold worldwide today are derived directly from rainforest plants. And according to the U.S. National Cancer Institute, more than two-thirds of all medicines found to have cancer-fighting properties come from rainforest plants. Examples abound. Ingredients obtained and synthesized from a now-extinct periwinkle plant found only in Madagascar (until deforestation wiped it out) have increased the chances of survival for children with leukemia from 20 percent to 80 percent.</span>
Answer:
Calcium is a chemical element with the symbol Ca and atomic number 20.
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Answer:
They used relative dating to divide Earth's past in several chunks of time when similar organisms were on Earth. Later, scientists used absolute dating to determine the actual number of years ago that events happened. The geologic time scale is divided into eons, eras, periods, and epochs.
Explanation:
<span>"It is likely you are suffering from airborne allergies that are unfamiliar to your body. I recommend that you see your acupuncturist and seek help for these symptoms since you prefer to not to take medication".</span>
Answer:
Bend and curve around the planet
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