[S.l.] : National Aeronautics and Space Administration, Langley Research Center, [200-]
Language
English
Description
1 v. (unpaged) : col. ill. ; 26 cm.
Call Number
CMC QC863.5 .L33 2000
GPO Item No.
0830-G
Summary
A picture book designed to introduce Earth's atmosphere and its importance to life on Earth. It also introduces how the addition of new gases contributes to changing the quality of air we breathe. With an understanding of how our atmosphere works, we will begin to understand how our activities may be contributing to some of those changes in air quality.