Answer:
The answer is "Geologists determine half-life as radioactive elements get trapped I rock and break down over time"
People who eat at least five servings a day of _______ have a 40 percent
lower risk for certain cancers than people who eat only two or fewer
servings.
C. fruits and vegetables
(<span>Fruits and vegetables contain large amounts of phytochemicals, including many <span>antioxidants.)</span></span>
