The total water area of the Earth is approximately 71% of the planet's surface, which equates to about 139.5 million square miles. This includes the water bodies like oceans, seas, lakes, rivers, and other smaller water sources.
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Humans occupy less than 1% of the total land area on Earth. The majority of the Earth's surface is covered by water bodies.
Surface area in Earth science refers to the total area of the Earth's surface, which includes landmasses and bodies of water. It is an important parameter for understanding various Earth processes such as heat exchange, weather patterns, and biological activity. The surface area of Earth is approximately 510 million square kilometers.
The sum total of water on Earth and in its atmosphere is called the "hydrosphere."
Roughly 97% of the total amount of water on Earth is salt water found in oceans and seas.
Approximately 71% of the Earth's surface is covered by water.