What happens to radio waves when they are exposed to a plant?

Sylvanite is a mineral that contains 28.0% gold by mass. how much sylvanite would you need to dig up to obtain 77.0 g of gold? explain how you got your answer and the steps you took. you

Matches the chemical name of each oxide of phosphorus to its chemical formula

Calculate the number of molecules present in 0.750 mol of mgo.