Geologists recognize two categories of weathering processes. 1  Physical Weathering - disintegration of rocks and minerals by a physical or mechanical process. 2  Chemical Weathering - chemical alteration or decomposition of rocks and minerals.
Alidoro, the tutor and confidant of the local Prince, Don Ramiro, is looking for a suitable bride of equal rank and station for his protÃ©gÃ©. Disguised as a beggar, he discovers how generous Cenerentola is, and how heartless her two sisters are.
âAttilaâ: Ildar Abdrazakov, top, in the title role, and, from left: Violeta Urmana as Odabella, RamÃ³n Vargas as Foresto, Russell Thomas as Uldino and Samuel Ramey as Leone, at the Metropolitan Opera. Credit Sara Krulwich/The New York Times.