Practice Problem #2 - Frank has an eraser with a mass of 10g and a volume of 15cm? What is its density? Show your work:

What is the percentage by mass of silicon (si) in iron aluminum silicate (fe3al2(sio4)3)?

Rocks, as they are compressed, begin forming mountains above the earth's surface when two continental plates converge. the continental crust increases in depth as the mountains grow above. the himalayan mountains formed at a convergent plate boundary in this manner. the rocks are smashed together causing them to due to the intense heat and pressure from the colliding plates and eventually forming rock. a) melt; igneous b) layer; sedimentary c) recrystallize; metamorphic d) melt into the earth's interior; metamorphic

What is the main reason why some developing countries fear the increase the free trade policies around the world?