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.
2. Right now, one mature leafy tree produces enough oxygen for the lifetime of ten people each season! There are 400 billion trees, 6.7 billion people on Earth â every person has 60 trees.If you did the math, how much oxygen do you think we'd have if there were no trees at ALL?. Right now, one mature leafy tree produces enough oxygen for the lifetime of ten people each season! There are 400 billion trees, 6.7 billion people on Earth â every person has 60 trees.