Iron ions with an oxidation state of +3 are bonded to ions of sulfur. How many iron ions are in this compound?
ITS uhm a
Answer is in a photo. I couldn't attach it here, but I uploaded it to a file hosting. link below! Good Luck!
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.
did you get the answer