El molibdeno puede ser soltado al ambiente por la combustión de fósil, aguas desechos industriales, el transporte de minerales y de la distribución de agua residuales. ¿Cuántas moles de protones hay en 17.8 moles de Molibdeno?

An engineer decides to use a slightly weaker material rather than a stronger material, since she knows that the stronger material can break suddenly. this is an example of what? a choosing a material that will show warning before it fails b using composite materials that combine strength c using a material for multiple applications d using design techniques that increase efficiency and reduce cost