Find the value of the missing angle marked with a ?

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

The poles appear to be slightly flattened in a robinson projection. question 1 options: true false

In a river, which of the following would most likely be carried by suspension? this is called