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 0 composition 3 distance 63 vapour water habitat oceans liquid condensate water reservoir 97 moderate salinity sodium 35 rain Earth colder choride 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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