Fill in the Blanks U.11: Water in our planetOnline version Complete the gaps of this summary of the first lessons of the unit. by Rubén Campos 1 35 63 habitat 0 choride distance sodium composition Earth vapour rain water 3 oceans liquid salinity reservoir 97 water colder moderate condensate The is the only planet in the Solar System that contains water . This is due to the to the Sun , which is the perfect one and the of the atmosphere which prevents extreme temperatures . In the early ages , all the water was in the atmosphere in the form of , but as soon as the planet got , it started to and to fall as . As a consequence , the first were formed . In our planet , almost % of the water form seas and oceans , whereas only the % is continental water . Among this continental water , only the , % is liquid , the rest is gas or ice . The main difference of sea water and continental water is . The salinity of the oceans is g / l and the most abundant salt . The oceans play a very important role because it's the main on Eath , it's the for a great number of living beings and it can the climate .
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