Why Is The Sea Salt?
Prof. Chapman, of University Co loge, Toronto, says that the object o the saltnoss of the sea water is to regu late evaporation. If any temporar cause raises tho unioimt of fcaline mui ter in the sea to more thau its norma valuĆ©, ovaporation goes on more anc more sjowly. If tho valuĆ³ be depre ciated by the addition of fresh water in due excess, the evaporatiug power is th more and moro inoriiased. He giv tho resulta of various experimenta ir referencti to evaporation on weighet quautitios of ordinary raiu water aui water, holding in solution 2.C per een of salt. Tho excesa of losa of the rail water compared with tho Halt solution was, for the first twenty-four hours 9.54 per cent, at the close of forty-eigh hours, 1.46 por cent, and so on to an in croasing ratio.
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Michigan Argus