"<span>a layer in the earth's stratosphere at an altitude of about 6.2
miles (10 km) containing a high concentration of ozone, which absorbs
most of the ultraviolet radiation reaching the earth from the sun."
Hope this helps!
</span>
They believe the distortions happened when two galaxies collided.
Hope This Helps :)
Should be 1.4, I hope this helps you out
The main job of conducting electricity is the power source.