Numbers often have units. We can prepare these numbers for conversion by writing them as fractions.

Which of these conditions most likely produces an unstable isotope?

All cells are made of four types of acids, lipids, proteins, and carbohydrates.

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