Ductile metallic properties solid at high temperatures inorganic compound good conductor of electricity based on the provided chemical and physical properties of the unknown substance. it would be most useful as a(n)

sup bro, im dumb, but this is what i found xd

"the ozone layer acts as a filter for the shorter wavelength and highly hazardous ultraviolet radiation (uvr) from the sun, protecting life on earth from its potentially harmful effects. when the sky is clear, there is an inverse relationship between stratospheric ozone and solar uvr measured at the earth's surface"