% replaces any number of letters (la% - lake, lamp)_ replaces one letter (ca_ - car, cat)

Other crossword clues for answer "OZONELAYER"

OZONELAYER
Covering with a hole in it
Protection from ultraviolet rays
Holey protector
Stratospheric stratum that protects the Earth from the Sun
It's up in the air?
High-level stratum
Stratospheric shield
Ecological concern
Ultraviolet radiation blocker
Purportedly weakening shield
Atmospheric region with a "hole"
Chlorofluorocarbons damage it
What the Montreal Protocol was designed to protect
Site of a hazardous hole
Sun screen?
Environmentalist's concern
Atmospheric area with a "hole"