7. Kung ang ilog Ti.g.r.i.s at ilog E.u.p.h.r.a.t.e.s. ay sa M.e.s.o.p.o.t.a.m.i.a., anong kabihasnan naman ang sa Ilog I.n.d.u.s? A.Kabihasnang M.e.s.o.p.o.t.a.m.i.a B.Kabihasnang tsina C. Kabihasnang I.n.d.u.s D. Kabihasnang E.g.y.p.t help ulit huhuhu nonsence answer will be reported