Match your vocabulary word to its definition phyiscal geography

"water seeps into rock cracks and dissolved minerals there.the solution travels through cracks in the. eventually concentrating into large crystals." which process is that

Can someone me choose a broad topic and area of focus i am really doing this as a tally to see which one most people pick ok water pollution global warming endangered species atmosphere for the !

Ozone in the upper atmosphere has been depleted by a. sulfur dioxide. b. chlorofluorocarbons. c. carbon dioxide. d. oxygen.