A ball rolls at the speed of 6 cm/s how far is the ball roll and 40 seconds

these nuts

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.

the product of the pressure and volume is also constant