2NazN + 3MgO -> Mg3N2 + 3Na2O, what is the mole ratio of magnesium oxide to magnesium nitride?

Asap! how do you lengthen a pattern piece? (family and consumer science, sewing)

Draw the lewis dot structure for each of the following polyatomic ions

What role does weathering have in shaping earth’s surface? a) it allows sediments to fall out of a medium. b) it sediments settle on a new surface. c) it breaks down older material into sediments. d) it transports sediments to a different location. will give brainliest, answer quickly.