Thread: PPSC Labour Officer (BS-16) Test: 14 Jan '18
View Single Post
  #32  
Old Tuesday, January 16, 2018
soulsearcher's Avatar
soulsearcher soulsearcher is offline
Junior Member
  
Join Date: Nov 2011
Location: Sahiwal
Posts: 13
Thanks: 0
Thanked 5 Times in 2 Posts
soulsearcher is on a distinguished road
Default
Quote:
Originally Posted by Nizakat Ali khan View Post
Koi bhai ye tu confirm kare... Largest source of oxygen on earth is algae or trees........
It is estimated that marine plants produce between 70 and 80 percent of the oxygen in the atmosphere. Nearly all marine plants are single celled, photosynthetic algae.
__________________
No one is rich enough to buy back his past.
Reply With Quote
The Following User Says Thank You to soulsearcher For This Useful Post:
T.Ali (Tuesday, January 16, 2018)