Final answer:
Ozone in the atmosphere has both protective and harmful effects depending on its location and concentration.
Explanation:
Ozone (O3) plays a dual role in Earth's atmosphere. In the stratosphere, ozone acts as a shield, absorbing UV light and protecting life from harmful radiation. However, at ground level, ozone can contribute to air pollution and harm respiratory systems of humans and animals, forming harmful smog.
Learn more about Ozone's effects on life on Earth here:
https://brainly.com/question/41886568
