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A sea is a large body of salty water. There are particular seas and the sea. The sea commonly refers to the ocean, the wider body of seawater. Particular seas are either marginal seas, second-order sections of the oceanic sea (e.g. the Mediterranean Sea), or certain large, nearly landlocked bodies of water.
Discover the amazing creatures and phenomena that live and occur in the deep sea, from the Mariana Trench to the Hadal Zone. Learn about bioluminescence, hydrothermal vents, giant squids, yeti crabs, and more.
Mar 5, 2024 · Learn about the ocean's role in climate, formation, floor, and life zones. The article covers the basics of oceanography, geography, and biology with photos and examples.
Oct 19, 2023 · Learn about the diversity and characteristics of the world's seas, from the largest and saltiest to the smallest and coldest. Explore the marine ecosystems, history, and geography of these water formations with National Geographic.
Jun 25, 2024 · Learn about the ocean, the huge body of saltwater that covers 71 percent of Earth’s surface and has a rich biodiversity and geology. Discover the five oceans, their features, and the challenges they face.
Learn about the different types of oceans, seas, and habitats that support diverse marine life. Discover how oceans help regulate Earth's climate and produce oxygen for humans and animals.
The ocean is the body of salt water that covers approx. 70.8% of Earth. [8] . In English, the term ocean also refers to any of the large bodies of water into which the world ocean is conventionally divided. [9] . The following names describe five different areas of the ocean: Pacific, Atlantic, Indian, Antarctic/Southern, and Arctic.
