argon and helium gases are separated into two sides of a reaction chamber seen below. The valve is opened and the two gasses are allowed to mix. What is the pressure inside the vessal after the two gasses mix

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

How does the viscosity of magma change as magma cools?

The ammonia molecule in the diagram has the observed bond orientation because