What is the definition of "nutrients"?

Choices are:
Nutrients are the heat, light, and ultraviolet rays that reach Earth, which are utilized in chemical reactions to power life

Nutrients are atoms and molecules that organisms obtain from their living or nonliving environment and that are required for survival.

Nutrients are the pigment molecules that absorb specific wavelengths of sunlight, which subsequently store energy in chemical bonds.

Nutrients are molecules that collect and store energy