Q: What kind of rays can travel thousands of meters through air and can penetrate and damage cells deep inside the body?


Read this paragraph and choose the correct option from the provided answers:

Alpha particles can travel only a few centimeters through air. They can burn the skin but not penetrate it. Beta particles can travel up to a meter through air. They can penetrate and damage skin. Gamma rays can travel thousands of meters through air. They can penetrate and damage cells deep inside the body.

 Choices:

- x-rays

- cosmic rays

- plasma rays

- gamma rays


A:
gamma rays