Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
7.1
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
3647
Points per Word
0.000274
Page Count
32
Points per Page
0.03125
Series
Improving Our Environment
Description
This book takes a look at what pollutes the air and how to prevent a further decrease in air quality.