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.
A typical human needs about 50 liters of oxygen per hour. That translates to 10,000 houseplant leaves, or maybe 500 to 1000 houseplants to support one human. Maybe 100 houseplants would make a noticeable difference. All of these figures are in the right order of magnitude, but not exact.