Water
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And some salts and minerals and marine organisms and sunken ships.
Ocean.
Ocean.
Ocean.
theprotoplasm of a cell is mostly made up of water.
mostly made of basalt.
It was mostly made up of Greek people...
Most of the ocean floor is made up of ocean plains.
Florida is mostly a peninsula, and Michigan could count too.
Which gas is air mostly made up from
Earth is covered mostly in water, but is not made up mostly of water. Most of earth is made of rock.
According to Wikipedia, the Arctic Ocean is mostly covered by ice during the northern winter months. It is the smallest and most shallow ocean of the major oceanic divisions. The Southern Ocean, which surrounds the continent of Antarctica, becomes mostly ice in the southern winter, because the continent almost doubles in size when the ocean freezes.
Scientists believe that Europa, one of Jupiter's moons, is mostly made up of a rocky core surrounded by a subsurface ocean of saltwater beneath an icy crust. This subsurface ocean is thought to be one of the most promising places to search for life beyond Earth due to its potential habitability.