OZ
OZDIC
x
back to entry
0
/50
ozone
mastery
UK /ˈəʊzəʊn/
US /ˈoʊzoʊn/
noun
verb
card 1 of 2
· preposition
The protective benefits come
_____
ozone in the stratosphere.
1.
from
2.
in
3.
with
4.
by
Submit