Ian and Dane are twins. Ian loves art and music and work after school. Dane loves sports and would do anything to avoid having a
1 answer:
You might be interested in
Answer:
The outer Ozone is helpful. Ozone occurs in two layers of the atmosphere. The layer closest to the earth's surface is called the troposphere; ground-level or (bad) ozone is an air pollutant that is harmful to breathe and it damages crops, trees and other vegetation. It is a main ingredient of urban smog.
Explanation:
