Which atmospheric gases are thought to cause global warming?

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.

Which event had the greatest impact on culture of south america

Fill in the combination notes for the main idea shown