Ask Mar­i­lyn

Albuquerque Journal - Parade - - ONE-PAGE - By Mar­i­lyn vos Sa­vant

If hur­ri­canes form over the ocean from salty wa­ters, why do they drop fresh wa­ter when they come ashore and travel in­land?

—Glen Moyer, Hamp­ton, Va. The var­i­ous salts in the ocean are phys­i­cally dis­solved in the wa­ter, but they are not chem­i­cally bonded to it. So when the wa­ter evap­o­rates, these salts stay be­hind. The same goes for other im­pu­ri­ties, which are plen­ti­ful, es­pe­cially near coast­lines. It’s nice to know we don’t also get show­ered by ev­ery­thing from tiny bits of seaweed to an­i­mal waste. (Ocean swimmers: Try not to think about this!) Hur­ri­cane winds do bring some ocean mat­ter on­shore, but that’s a dif­fer­ent sub­ject. Send ques­tions to

mar­i­lyn pa­rade.com

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