- 问题详情: Nearlyallourfoodcomesfromthesoil.Someofuseatmeat,ofcourse,butanimalsliveonplants.Iftherewerenoplants,wewouldhavenoanimalsandnomeat.Sothesoilisverynecessaryforlife.Thetopofthegroundisusuallycoveredwithgrassorotherplants.Theremaybedeadlea...
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