It is common to find calves on farms that are conceived through in order to control paternity and avoid the complications of natural breeding. A. many ways
B. artificial insemination
C. natural conception
D. natural treatment ​

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.