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 is a non-metallic element that constitutes for 21% of air. In humans, oxygen is primarily absorbed via the lungs and carried around the body in blood cells to provide the key element for cellular activity. The average level of oxygen in the blood is approximately 96% and if this oxygen consumption lowers over time, your health can be affected.