1) What is supply? a) How much people want something b) School Supplies c) How much of something is on the shelf 2) What is Demand? a) How much people want something b) School Supplies c) How much of something is on the shelf 3) A Natural Resource a) Water b) Candy c) Books 4) A Good a) Books b) Dentist c) Teacher 5) A Service a) Books b) Vet c) Pencils

Economics

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?