A. The ability to see inside the human body without surgery was a turning point in the history of medicine. By the end of the 19^th century , people were using __ but did not understand what it was (according to a Yale University History Professor). electricity, radio waves magnetism (circle one)

Question

A. The ability to see inside the human body without surgery was a turning point in the history of medicine. By the end of the 19^th century , people were using __ but did not understand what it was (according to a Yale University History Professor). electricity, radio waves magnetism (circle one)

Answer 1

electricity

Answer 2

By the end of the 19th century, the discovery of X-rays allowed people to see inside the human body without surgery. However, the phenomenon was not well understood at the time. X-rays are a form of electromagnetic radiation, which is closely related to electricity.

Question

A. The ability to see inside the human body without surgery was a turning point in the history of medicine. By the end of the 19^th century , people were using __ but did not understand what it was (according to a Yale University History Professor). electricity, radio waves magnetism (circle one)

Answer

Answer

Explanation