Dr. William Farr is best known for is contribution to: a. Finding the cure for the Black Death
b. Streamlining scientific method
c. Refining the Cullen disease clarification
d. Refining the classification of disease pathology

Answer is A. Thank you cfggfeeetyhhjhhf3y3

the answer would be roots! roots are the parts of the plant that are underground, and that's how they'd anchor the plant. the stem is above the sol, which doesn't with anchoring. hope this !