Hare, Tony.
The ozone layer / Tony Hare. - New York : Gloucester, 1990. - 32 p. : col. ill. - Save our Earth .
Studies the important role of atmospheric ozone in protecting the Earth and tells how man-made chemicals are causing worrisome holes in the polar ozone layers.
053117218X
89081606
Ozone layer.
363.7
The ozone layer / Tony Hare. - New York : Gloucester, 1990. - 32 p. : col. ill. - Save our Earth .
Studies the important role of atmospheric ozone in protecting the Earth and tells how man-made chemicals are causing worrisome holes in the polar ozone layers.
053117218X
89081606
Ozone layer.
363.7