When you first fall in love, you experience a rush of hormones to the brain — including oxytocin, the “love hormone,” the “pleasure hormone” dopamine, and sex hormones like estrogen and testosterone. ... This influx of hormones plays a major role in those intense feelings of fluttery excitement, attraction and euphoria.
Answer:
<em>It is a constant when the light is traveling in a vacuum.</em>
Explanation:
