In the lab, a student measures a cube of copper to be 2.25 cm on a side. What is the volume of the cube, with the correct number of significant digits and units? When entering your answer, make sure that there is a single space between your numerical value and your unit: "12.34 mL".

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.