What are the 3 main types of star "corpses"? neutron star
Elvis
white dwarf (which fades to a black dwarf)
black hole
f

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