An irregularly shaped stone was lowered into a gradulated cylinder holding a volume of water equal to 12ml. the height of the water rose to 17ml if the mass of the stone was 25g what was it's density?

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.

he would use the colour black