Question

Encierre en un círculo el sustantivo en la lectura por favor

It is a natural layer of gas presenting the upper atmosphere the protects living things from harmful ultraviolet radiation from the sun.

The ozone layer is in the second layer called the stratosphere.
The ozone layer has been destroyed by pollution, for example cars, airplanes, burning garbage, burning tires, factories.

Answer 1

Resphola como estas

Explicación: