What are the products when you react zinc with potassium phosphate?

What are the similarities of physical and chemical change ?

Select the correct location on the image identify the element that humans need to breathe. 2015 er r ights reserved

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