Final answer:
Pharmacists require extensive knowledge of Biology and Chemistry to properly dispense medication and advise on their use. So the correct answer is B) Biology and Chemistry.
Step-by-step explanation:
Pharmacists are experts in medicine, with a strong focus on understanding the effects of drugs on the human body. Therefore, the branches of science essential for pharmacists to do their job properly are Biology and Chemistry. Biology provides them with insights into the biological systems and processes of the human body, while chemistry allows them to comprehend the molecular composition and interactions of medications. Together, this knowledge is crucial for advising on drug selection, dosage, interactions, and side effects, and for guiding patients on the proper use of their medication.