Difference between between Sea and Ocean

Difference between Sea and Ocean is explained here in detail. 

Sea provides substantial supplies of food for humans, mainly fish. Uses of the sea include trade, travel, mineral extraction, power generation, warfare, and various leisure activities.

An ocean is a body of water that composes much of a planet’s hydrosphere.The ocean contains the majority of Earth’s water. Oceans influence weather and climate patterns.

For information on IAS Exam dates, structure and other details aspirants can visit the given link. 

Difference between Sea and Ocean – UPSC Notes:- Download PDF Here

Difference between Sea and Ocean

The major differences between Sea and Ocean are:

Sea Ocean
Sea is also made up of salty water but is smaller in size compared to oceans. Ocean covers approximately 70% of the 

earth’s total surface. Ocean is made up of salty water.

The largest sea is the Meditteranean Sea. The area of Meditteranean sea is approximately 1.14 million square miles. The largest Ocean is the Pacific Ocean with an area of approximately 60 million square miles. The smallest Ocean is the Arctic Ocean covering an area of 5.4 million square miles.
Seas are usually located close to land. Oceans are not necessarily located close to land.
Aquatic life exists in abundance in seas as seas are usually located close to the Land. Oceans have reduced aquatic life as it is far away from the land and deeper than the Seas.
There is a large quantity of marine life in the Seas as sunlight is able to penetrate deeper into the seas, allowing photosynthesis. The marine life in oceans is usually confined to bacteria, shrimp, microscopic planktons. This is due to lack of penetration of sunlight deep into oceans thus not giving much scope for photosynthesis.
Some of the major seas are Mediterranean Sea, Carribean Sea, South China Sea, Black Sea etc. The deepest sea is Carribean Sea with an approximate depth of 6900 metres. The Deepest Ocean is Pacific Ocean which is around 10,000 metres deep and the Arctic Ocean is around 5600 metres deep.

After understanding differences between Sea and Ocean, visit the below given NCERT links for information on the other aspects of Oceans along with other related topics.

Difference between Sea and Ocean – UPSC Notes:- Download PDF Here

For a thorough understanding of the syllabus of Civil Services Exam, visit the given link UPSC Syllabus 2020.

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