Benthic organisms live above the ocean floor.

Natural petroleum seeps on the ocean floors contribute almost half of all oil seeping into the oceans.

Waves in wave trains die out at the front and spawn in the back.

Water-water waves are not present in the oceans.

Diurnal tides typically occur in shallow seas.

A Crescent Moon is brighter than a Gibbous Moon.

Tsunami waves do not occur in wave trains.

Wave height is equal to twice the still water level.

The 'nadir' and 'zenith' are the points on Earth closest and furthest from the Moon, respectively.

The perihelion and aphelion describe points on the orbit of Earth around the Sun.