arry out tions. ted. In extreme situations, deion o seizures,unconsciousness, and brain damage. Meanotually become over functioningkidneys you die. t is er.

    ter on Eart is all o get.

    tem is closed: practically speaking, notracted. ter youdrink s job since t least more or less) ac volumes.

    ter realm is kno is over of all ter on Earter part of it in t and is bigger t togetoget over er (51.6 percent to be precise); tlantic  and t, leaving just 3.6 percent to be accounted forby all t a t deeper tlantic and Indian Oceans. Altoget oft’s surface is ocean more tes, ter callour planet not Eart ater.

    Of t of Earter t is fres exists as ice ss. Only tiniestamount—0.036 percent—is found in lakes, rivers, and reservoirs, and an even smaller part—just 0.001 percent—exists in clouds or as vapor. Nearly 90 percent of t’s ice is inAntarctica, and most of t is in Greenland. Go to tanding on nearly t t fifteen feet of it. Antarctica aloneo raise t of t all melted. But if all ter in tmospheoceans would deepen by only an inch.

    Sea level, incidentally, is an almost entirely notional concept. Seas are not level at all.

    tides, s alter er levels considerably from oneocean to anot a foot and a s ern edge—a consequence of trifugal force created by t aser ter tends to flooant tocome er up against ternmargins.

    Considering tance of to us, it is striking  took to take a scientific interest in til o teentury most of  t  ten e and supposition tisuralist Edtlant