TY  - BOOK
AU  - Colson,Mary
TI  - What happens if the ozone disappears?
T2  - Unstable Earth
SN  - 9781625881618 
AV  - QC 881.2.O9 .C719 2016
PY  - 2016///
CY  - Mankato, MN ; London
PB  - A+, Smart Apple Media published with arrangement with Wayland Books
KW  - Ozone layer
KW  - Juvenile literature
KW  - Ozone layer depletion
KW  - Atmospheric ozone
KW  - Air
KW  - Pollution
N1  - Includes bibliographical references and index; Grades 4 to 6
ER  -