The World of the seas
Seas and oceans cover almost three-quarters of the Earth’s surface. 97.5% of the total hydrosphere is saltwater.
01:56
Geography
Grades 4 – 11
mozaLink
/Weblink
Seas and oceans cover almost three-quarters of the Earth’s surface. 97.5% of the total hydrosphere is saltwater.
01:56
Geography
Grades 4 – 11
mozaLink
/Weblink