Looking at the ocean, I feel a sense of expansiveness.

I go to the sea every summer.

Calcium is an important mineral that makes up human bones.

I saw a seagull flying at the beach.

Potassium is an important mineral for the human body.

In the old days, people were moved by the strength and beauty of the sea lion.

A sea lion is a type of marine animal, and it is very rare.

Helium is the second lightest element on Earth.

Beryllium is one of the elements abundantly present in the Earth's crust.

Lithium batteries last a long time.