clear
Search
Login
Sign Up
S Ramachandran
's Polls
Biology
Ozone hole refers to
decrease in thickness of ozone layer in stratosphere
4 votes (80%)
decrease in thickness of ozone layer in stratosphere
hole in ozone layer
1 vote (20%)
hole in ozone layer
Show Results
|
Share
|
Report
|
5 votes
| 66 views
(200 symbols max)
Wolmal
(256 symbols max)
Share with LinkedIn
Share
