Sea - Wikipedia
網頁The sea is the interconnected system of all the Earth's oceanic waters, including the Atlantic, Pacific, Indian, Southern and Arctic Oceans. However, the word "sea" can also be used for many specific, much smaller bodies of seawater, such as the North Sea or the Red Sea.
Ocean facts! - National Geographic Kids
網頁Find out ten amazing ocean facts right here at National Geographic Kids, like where's the deepest point in the ocean? Which ocean is the biggest?
Ocean - Wikipedia
網頁Ocean and sea. The terms "the ocean" or "the sea" used without specification refer to the interconnected body of salt water covering the majority of Earth's surface. It includes the Pacific, Atlantic, Indian, Southern/Antarctic, and Arctic oceans. As a general term, "the ocean" and "the sea" are often interchangeable.
Seawater | Composition, Properties, Distribution, & Facts
網頁2024年6月4日 · Seawater, water that makes up the oceans and seas, covering more than 70 percent of Earth’s surface. Seawater is a complex mixture of 96.5 percent water, 2.5 percent salts, and smaller amounts of other substances, including dissolved inorganic and organic materials, particulates, and a few atmospheric gases.
Sea - National Geographic Society
網頁2023年10月19日 · Sea. The “seven seas” has been used to describe the world’s great water bodies for a long time. But there are actually about 50 water formations that can be called a “sea,” and they are quite diverse when it comes to their size, location, and ecosystems.
Explore oceans - BBC Bitesize
網頁Oceans of the world. There are five oceans that cover just over 70% of the planet, and they are all connected together: the Atlantic Ocean. the Pacific Ocean. the Indian Ocean. the Southern...
All About the Ocean - National Geographic Society
網頁2024年3月5日 · Melting glaciers and ice sheets contribute to sea level rise. Rising sea levels threaten coastal ecosystems and property. River deltas and estuaries are put at risk for flooding. Coasts are more likely to suffer erosion. Seawater more often contaminates sources of fresh water.
跳至內容