Question

multiple-choice question
what is the electromagnetic spectrum?
types of radiation organized by the amount of energy they carry.
a list that describes how bright a star is.
mobys robot language.
rewatch

Explanation:

The electromagnetic spectrum is a range of all types of electromagnetic radiation. Radiation is energy that travels and spreads out as it goes. The electromagnetic spectrum is organized based on the energy (which is related to frequency and wavelength) that different types of radiation carry. For example, gamma rays have high energy, while radio waves have low energy. The option "A list that describes how bright a star is" is about stellar magnitude, not the electromagnetic spectrum. "Moby's robot language" is an irrelevant and fictional - sounding option.

Answer:

Types of radiation organized by the amount of energy they carry.