The water in the dead sea has a salinity of 300 ppt. the water is less salty than the ocean has 300 grams of salt per 1000 grams of sea water is less dense than freshwater doesn't contain any dissolved salts

Has 300 grams of salt per 1000 grams of sea water

Because the earth is not round ,but it may seem round when viewed from ,our planet but true some points earth is not round was an oblate spheroid -a square that it squashed as globe however is not even a perfect oblate spheroid.in fact isaac newton's first proposed that earth was not perfectly round but it was an oblate spheroid instead.that mean a square that is squashed as its poles and swollen at the