30) these two gases account for 99% of the atmosphere: a) carbon dioxide and ozone b) nitrogen and carbon dioxide c) nitrogen and oxygen d) oxygen and helium e) oxygen and carbon dioxide part 2: (15 points) systems are everywhere you look: banks, parking lots, restaurants, etc. select a system you are familiar with, and diagram it using systems terminology. identify any reservoirs, outputs, inputs and feedback loops.

The rocky mountain system stretching from canada to new mexico is a string of mountains running along the wester united states. what factors would mostly cause this arrangement of mountains? intense pressure undemeath a tectonie plate that could not breakthrough the rock subduction of a tectonic plate, which pushed up a neighboring plate into mountains two plates located at a diverging boundary with a third plate rising between them two plates that melted into molten rock, which later cooled into the shape of mountains

Explain: plate tectonics and people.

The economies of nordon could be described a. unable to use rich resources b. struggling but diverse c. dependent on one product d. healthy and diverse