What is a wave and what does it do

Waves are folds of water cause by the gravitational pull of the moon.

When waves occur, it mixes the water and makes it to where there's less algae and gunk in the water, making it more inhabitable for sea life.

cats appear to have glowing cat eyes because the back of their eyeballs includes a special reflective surface called the tapetum lucidum. this lets them see better during the night, giving them a much better vision.