Nearlyallourfoodcomesfromthesoil.Someofuseatmeat,ofc...
问题详情： Nearlyallourfoodcomesfromthesoil.Someofuseatmeat,ofcourse,butanimalsliveonplants.Iftherewerenoplants,wewouldhavenoanimalsandnomeat.Sothesoilisverynecessaryforlife.Thetopofthegroundisusua...