Uestion completion status: question 7 which of the following objects are the molds in this exercise? (select all that apply) plaster pieces sand soil play-doh question 8 exercise 2 inventory materials 250 ml sand (2) 250 ml beakers play-doh (2) syrofoam@ cups *camera (camera phone is fine) ruler (2) *small bowls/containers toothbrush *pen shell spoon "tap water 230 ml plaster of paris 250 ml potting soil note: you must provide the materials listed in *re exercise 2: fossilization processes and environments different methods of foccilizotie