Hourly Forecast Detailed. 1  0am:The Santee, SC forecast for Apr 11 is 63 degrees and Clear. There is 74 percentage chance of rain and 4 mph winds from the South-Southeast. 2  3am:The Santee, SC forecast for Apr 11 is 55 degrees and Clear. There is 79 percentage chance of rain and 4 mph winds from the South.
Most Important Organism? Marine plants produce between 70 and 80 percent of the oxygen in the atmosphere.
Oxygen content is more in green areas. Green areas are abundant with trees , trees absorb the carbon-dioxide in the air and leave out Oxygen. So more the number of trees more greater the oxygen content. That is the reason people say to plant more trees.