What are the four types of precipitation?

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 many grams of mgbr2 are needed to produce 75g or metal?

Estimate the molar mass of the gas that effuses at 1.6 times the effusion rate of carbon dioxide.