a student is given a sample of an unknown liquid to test. The student thinks that the liquid is water. Which of the following physical properties of the sample is most helpful to determine if the liquid is water?

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 largest environment on earth?

How does science use models to gain a better understanding of concepts?