plants were the first source of oxygen in the world..And the first plant which produce oxygen was the seaweed..which cover the surface of the sea.. And it produce 70 of air oxygen..And that not the only use of it..It is also used in treatment of a lot of diseases..
1 comment:
LoooL el so3'ayareen ely byb2o foo2 el maya dool by3mlo kol dah
sob7an allah :D
Post a Comment