About the seas and oceans
Formation of seas |
As the earth cooled down, steam
in the air began to 16____________ as rain and made the first seas on the
earth. |
Four oceans |
There are four oceans on the
earth. The 17___________ is the Arctic Ocean. |
Living things in the oceans |
There are more than
18____________ kinds of fish and other animals in the oceans. Most of them live in the surface waters because there is 19_____________ there. Sea lions can live in the oceans or 20___________. |