<prompt> Pedzisa mutsara unotevera: Vaimbova vagari veChenega uye varipo iye zvino vakaungana musi weChishanu Chakanaka chimwe nechimwe kuti vayeuke vakafa veChenega. PaChishanu Chishanu chechi25 pashure pokudengenyeka kwenyika, muna 1989, ngarava inotakura mafuta inonzi Exxon Valdez yakasvika pamhenderekedzo muPrince William Sound, zvichikonzera  <response>: kudonha kwemafuta uko zvakare kwakaparadza Chenega nedzimwe nzvimbo dzakapoteredza nzvimbo yacho mune zveupfumi. 