A new drug was discovered that has therapeutic effects on cancer patients. The drug was extracted from soil samples found in the Congo. By itself, the drug minimized pain felt in chemotherapy patients; however, it could be further modified in the lab to amplify the effects of the drug. How can this drug be manufactured?
A. through natural and chemical sources
B. through chemical and biological sources
C. through natural and biological sources
D. through chemical, natural, and biological sources
