13. Of the following actions, which are physical and which are chemical changes? a. Boil| b. burn c. condense d. corrode e. crumple f. ferment g. melt h. rust 1. crush J. freeze k. evaporate 1. sublimation m. shred n. lear o. rot 14. If a certain mixture is homogeneous, you would properly conclude that the physical properties and the composition: a. are different from one part of the sample to another b. are the same if samplings are taken from the sample c. are varying from top to bottom of the sample d. are the same in the bottom and top but different in the middle