Explain what happens when warm, moist air collides with mountains?

Subduction zones occur on earth where dense oceanic crust dives under more buoyant continental crust. these boundaries are characterized by a deep ocean trench next to a high continental mountain range, large numbers of earthquakes and volcanoes. all of this is further evidence for the a) big bang theory b) origin of the species eliminate c theory of plate tectonics d theory of natural selection 4 sedimentary rocks found high in the himalayen mountain

How to convert a density of 0.791g/cm3 to lb/ft3

Give the orbital configuration of the phosphorus (p) atom.