Explain the effects on the economy and society caused by the technological advances of steamboat and railroads

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

Plz which natural resources in southwest asia are important? choose all answers that are correct. oil plutonium water natural gas

What first caused people to consider that the continents were once one large landmass?