If the ph of a solution is 6 what are the hydrogen and hydroxide ion concentrations

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.

a) the particles of the chair are strongly held together.