Which equations are balanced? Check all that apply. Mg3N2 H2O → 3MgO 2NH3 C3H8 5O2 → 4H2O 3CO2 Zn 2HCl → ZnCl2 H2 3Ca(OH)2 2H3PO4 → Ca3(PO4)2 6H2O 3H2SO4 2Fe → Fe2(SO4)3 H2 4Al 3O2 → 2Al2O3.

What is the measure of ∠m? 81° 65° 53° 98° answer plz

You have a poultry farm and a poultry-processing unit. which product can you make using the waste products from your processing unit?

Which statement best describes gravity? it is the force that repels only very small objects. it is the force that acts between objects with zero mass. it is the force that sometimes acts only on very large objects. it is the force that acts between any two objects in the universe.