Select all of the two-phase material systems from the list below.(a) Solid ductile cast iron (ferrite solid solution + embedded graphite spheres) (b) Solid sodium chloride (salt, NaCl) (c) Liquid bronze (Cu + Sn liquid solution) (d) Solid gray cast iron (ferrite solid solution + embedded graphite flakes) (e) Solid aluminum featuring dissolved silicon (f) Solid lead-tin solder (a mixture of Pb-rich and Sn-rich solid solutions) (g) Partially melted aluminum (h) Frozen water with trapped air bubbles (i) Epoxy embedded with carbon fibers