What makes Earth unique is its ozone layer. Ozone is a colorless gas made up of three oxygen atoms which protects us from harmful UV radiation from the sun.
— Read on earthhow.com/ozone-layer/
Ontario Association of Geographic and Environmental Educators
Teacher organization supporting Geographic Education, Ontario, Canada
What makes Earth unique is its ozone layer. Ozone is a colorless gas made up of three oxygen atoms which protects us from harmful UV radiation from the sun.
— Read on earthhow.com/ozone-layer/