Scientists at Argonne National Lab are using x-rays to probe porosity in 3D-printed titanium alloys. Which of the following best explains why porosity is undesirable?

W) Porosity decreases resistance to fatigue

X) Porosity decreases flexibility

Y) A large range of pore sizes reduces printing resolution

Z) Porosity limits the size of the structures that can be printed
W) Porosity decreases resistance to Fatigue15) Earth and Space - Short Answer Identify all of the following three statements that are true of the inner planets: