What is the relationship between electrons, neutrons, and protons?

In which layer of earth do most earthauakes occur a_ inner core b_outer core c_mantle d_crust

Avariable that is not being directly tested during an experiment should be

Aroom with dimensions 7.00m×8.00m×2.50m is to be filled with pure oxygen at 22.0∘c and 1.00 atm. the molar mass of oxygen is 32.0 g/mol. how many moles noxygen of oxygen are required to fill the room? what is the mass moxygen of this oxygen?