can you guys just put random stuff in the anwsers get to 1,000 and i will give you guys 10 brianly points

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.

All of the following occurred due to the invention of the railroad except

The ethnic conflicts in darfur have led to an attempt to destroy a whole people known as