6. The adjacent sides of a rectangle are 3x - 5y - 4z and x - 3y + 5z. Find its perimeter.

During photosynthesis, plants transform electromagnet energy from the sun into chemical energy.

That result from subduction of oceanic plates beneath lighter continental plates. most of the earth's volcanoes are located around the pacific ring of fire because that the location of most of the earth's subduction zones.

Both models are effective because they show the valence electrons, and these valence electrons indicate the reactivity of an element.