Based on the Following Energy Diagram, Is the Reaction Exothermic

question 1

Short Answer

Based on the following energy diagram, is the reaction exothermic or endothermic?

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Definitions:

Pupil

The opening in the center of the iris of the eye, through which light enters and is regulated in size to control the amount of light that enters.

Optic Nerve

The nerve that transmits visual information from the retina to the brain.

Fovea

A small depression in the retina of the eye where visual acuity is highest, due to the concentration of cone cells.

Iris

The colored part of the eye surrounding the pupil, responsible for controlling the amount of light reaching the retina.