The emission and movement of electromagnetic or particulate energy through space is known as :

B
Explanation: A) Radiation is defined as the emission and movement of energy through space in the form of electromagnetic radiation (x-rays and gamma rays) or particulate radiation (alpha and beta particles).
B) Radiation is defined as the emission and movement of energy through space in the form of electromagnetic radiation (x-rays and gamma rays) or particulate radiation (alpha and beta particles).
C) Radiation is defined as the emission and movement of energy through space in the form of electromagnetic radiation (x-rays and gamma rays) or particulate radiation (alpha and beta particles).
D) Radiation is defined as the emission and movement of energy through space in the form of electromagnetic radiation (x-rays and gamma rays) or particulate radiation (alpha and beta particles).