dissolved+gases

==Just like there are gases in the atmosphere, there are also gases in water that are dissolved in it. the most common gases in the atmosphere are Nitrogen, Carbon Dioxide, Oxygen, and Methane, this gases can be dissolve in water but they can also come from life in the oceans. Volcanes under the bottom of the ocean which brings a lot of methane gas to the ocean, And also rivers help bring more gases into the ocean because all the gases in a river are going to enter the ocean when the river hits the ocean, Only 75% is water in the oceans while 3% is dissolved gases. There is also factors that can affect the amount of gases in the atmosphere like, temperature,usually in cold water gases are dissolve easily than in warm water therefore cold water would dissolve a larger amount of gases than warm water would. Another factor is the depth of the ocean, the deeper the water is the less gases is going to have unless there is a volcano under the ocean.==

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