Which medicines are able to heal people from an
illness? Check all that apply.
-antibiotics
-vaccinations
-antiparasitic
-antifungal
-antiviral

Explain the source of radioactivity in uranium in earth’s crust by which it produces nuclear radiation

People with one sickle cell allele are not likely to get malaria. what is this an example of?

Which of the following is caused by reproductive isolation within a species? a. a decrease in gene flow b. an increase in genetic flow c. a decrease in genetic drift d. an increase in gene flow