Which of the following types of boundaries is most likely to result in a subduction zone? a. divergent b. convergent c. transform d. all of the above

You have been tasked with sorting the rock samples shown into three categories, with two rocks in each category. what attribute would you use to sort these rocks? which rocks would be in each category? rocks: obsidian, coquina limestone, granite, soapstone,pumice, and gneiss.