In the Earth’s Mantle, what material is moving constantly building up pressure? A Iron, Nickle
B Magma
C Ice and Fire
D Salt water

Explore the ways that boundaries influence identity, interaction and exchange. things to consider: what is the race/ethnicity. how easy is it to interact/trade with others.

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.

What border separates sonora and chihuahua national border state border physical boundary natural boundary