Question

1. choose the best answer.

william roentgen discovered ____.
○ penicillin
○ cells
○ antigens
○ x-rays

1. choose the best answer.

hippocrates has been called the father of ____.
○ greece
○ health
○ history
○ medicine

Explanation:

Question 8

William Roentgen is known for discovering X - rays. Penicillin was discovered by Alexander Fleming, cells were discovered by Robert Hooke, and antigens are substances that trigger an immune response and were not discovered by Roentgen.

Hippocrates is widely regarded as the Father of Medicine. He is not the Father of Greece (Greece is a country), Health is a broad concept and not what he is known for in this context, and he is not related to being the Father of History.

Answer:

x - rays (the option with "x - rays")

Question 9