2 .

To see an alphabetical list of glossary terms,

A. click on the glossary icon

B. click on a glossary term in the lesson

C. go to your course dashboard

D. type 'glossary' into your browser's address bar

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.