What is the ozone layer?

Ozone in natureThe ozone layer - a part of the stratosphere at an altitude of 12 to 50 km (in the tropical latitudes of 25-30 km, moderate 20-25, 15-20 in the polar), which under the influence of ultraviolet radiation from the sun molecular oxygen (O2) is dissociated into atoms, which then combine with other O2 molecules, forming ozone (O3).

Relatively high concentrations of ozone (about 8 ml / m³) absorbs harmful ultraviolet rays and protects all living on land from deadly radiation. Continue reading