Question

What makes up earths oceans?

Answer 1

The oceans cover 71 percent of the Earth's surface and contain 97 percent of the Earth's water. Less than 1 percent of the Earth's water is fresh water, and 2-3 percent is contained in glaciers and ice caps. The oceans contain 99 percent of the living space on the planet.

Answer 2

Ocean Water

Explanation:

Oceans are different from fresh water because they contain salt. Ocean water is 96.5 percent water.

The other 3.5 percent is made up mostly of dissolved salts. Salt in the oceans comes from minerals on the land.

The oceans also contains small amounts of other ions and dissolved gases. The temperature of ocean water is affected by the depth of the water.

The temperature of ocean water is affected by the ocean's location. Objects float more easily in oceans than in lakes or rivers.