Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
6.3
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
4219
Points per Word
0.000237
Page Count
36
Points per Page
0.027778
Description
This book explains what carbon dioxide is, why scientists call carbon dioxide CO2, and how burning fossil fuels affects the amount of CO2 in the air.