Which statement is true about market economies? government goals drive business decisions. people have the freedom to choose their jobs. several are market economies vist around the world

Aphysical change is one that you can put in and remove like a ham sandwich. the stuff you put in there can be changem its not permanet. a chemical change is on that can't be change thats permanet. like when you make a cake and bake it. you can't get those ingredients back.

Compound with sulfer  is bright red 

Answers are 1,2,4 its correct on edgenuity.