‘Ozone-hole’ means

Question:‘Ozone-hole’ means

1.a large sized hole in the ozone layer

2.thinning of the ozone layer

3.small holes scattered in the ozone layer

4.thickening of ozone in the ozone layer


Search
R4R Team
R4Rin Top Tutorials are Core Java,Hibernate ,Spring,Sturts.The content on R4R.in website is done by expert team not only with the help of books but along with the strong professional knowledge in all context like coding,designing, marketing,etc!