首字母whenpeoplethinkaboutsourcesofwaterp（1）,theydonotusuallythinkoffishfarms.However,asthedemandgrowsforfishtoeat,then（2）offishfarmsisincreasing.Insomeareas,theyarebeginningtohaveenvironmentalproblems.I
更新时间：2026-09-30 22:41:26
问题描述:
首字母whenpeoplethinkaboutsourcesofwaterp（1）,theydonotusuallythinkoffishfarms.However,asthedemandgrowsforfishtoeat,then（2）offishfarmsisincreasing.Insomeareas,theyarebeginningtohaveenvironmentalproblems.I（3）fact,whenfishareintheirnaturalenvironment,theydonotpollute.Butinfishfarms,theenvironmentisn（4）natural.
Thereareusuallyl（5）offishinverylittlewater.Thismeansthatthewatermustbechangedveryo（6）.Andeachtimeitischanged,theusedwatermustbethrownaway.Itisusuallythrowndirectlyf（7）thefishfarmsintoariverortheocean.Andthatchangesthechemicalsoftheriverorcoastline,sotheplantsandanimalslivingtheremaysuffer.
金仙力回答:
pollute number In not lots often from