ozone is a gas................... in the stratosphere ozone reflects the ultraviolet rays from the sun............................in this way it protects crops,animals and humans. however ozone at ground level can damage plants and cause headaches and breathing difficulties in humans . here it is produced by chemical reaction n=between oxygen and smoke......................................thus ozone is a comeponent of air pollution.....................................................this is a dangerous form of pollution...............................................
this is stimulated by sunlight
b.which urgently needs to be controlled
which can reduce crop productionand cause skin cancer
which exists in the stratosphere and at ground level on earth
known as photochemical smog