Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
7.8
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
5113
Points per Word
0.000196
Page Count
48
Points per Page
0.020833
Series
Our Environment
Description
The debate over ozone's dual nature is explored as scientists, policy makers, and the public confront ozone smog on Earth and the ozone hole in the upper atmosphere.