Oceans and Seas Questions and Answers

Oceans and Seas

Rocks on the ocean floor are expelled from the molten mantle through Mid-Ocean Ridges, areas where the tectonic plates of the Earth are moving apart. This allows the liquid rock from underneath the...

Latest answer posted December 4, 2012, 3:49 pm (UTC)

1 educator answer

Oceans and Seas

The bulk of the liquid water on Earth is contained in the vast oceans that cover more than seventy percent of the planet's surface. This water, unlike interior lakes and rivers, is saline water, or...

Latest answer posted November 14, 2012, 9:03 pm (UTC)

1 educator answer

Oceans and Seas

At a mid-ocean ridge, the sea-floor is growing in size because material from the molten interior is added to the total sea-floor size; this occurs as tectonic plates move away from each other. At a...

Latest answer posted December 3, 2012, 4:11 pm (UTC)

1 educator answer

Oceans and Seas

All water on the Earth contains some amount of salt, measured in parts per thousand parts (ppt). Ocean water usually contains about 35 ppt salinity, which is dissolved salts from mineral deposits....

Latest answer posted November 14, 2012, 9:20 pm (UTC)

1 educator answer

Oceans and Seas

One of the qualities of the planet Earth that makes it habitable for life is its abundance of water. Although less than ten percent of the water on the planet is fresh (suitable for drinking), the...

Latest answer posted November 14, 2012, 8:26 pm (UTC)

1 educator answer

Oceans and Seas

LiveScience.com is a reputable science information source that offers both press releases from university and research institutes as well as columns written by experts in various fields of...

Latest answer posted July 8, 2013, 11:15 pm (UTC)

1 educator answer