What is the Ozone Layer?
What colour is the ozone layer?
A very pale blue or colourless (either are correct)
How far above is the ozone layer from the surface of earth?
Around 15-35 kilometers above the Earth (any number in between or within that range)
What type of UV radiation is fully absorbed by the ozone layer?
Only UV-c is fully absorbed (UV-b has around 95% absorbed, UV-a has 5% absorbed)