Question

light consists of units of energy called
multiple choice
neutrons.
electrons.
photons.
pigments.
calories.

Explanation:

In physics, light is considered to be made up of discrete units of energy called photons. Neutrons are sub - atomic particles in the nucleus of an atom, electrons are sub - atomic particles that orbit the nucleus, pigments are substances that give color, and calories are a unit of energy related to heat or food energy, not light energy units.

Answer:

C. photons