A compound was found to contain 33.8% copper, 14.9% nitrogen and the rest oxygen. What is its empirical formula

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

What are transitions between a liquid and a solid called? identify which way they are transitioning

Free answer. the treaty of versailles ended world war i, but some of the terms of the treaty contributed to the beginning of world war ii. which was one of the terms of the treaty? the answer would be "germany was forces to pay reparations to the allied countries.". i hope this .