Reading Metrics
Grade Level
Upper Grades (UG 9-12)
Book Level
9.3
Points
3.0
Fiction/Nonfiction
Nonfiction
Word Count
15264
Points per Word
0.000197
Page Count
110
Points per Page
0.027273
Description
This book discusses the scientific studies of the ozone layer in the Earth's atmosphere, and the causes and effects of depletions of this layer.