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.
is an acre of trees (100% tree canopy) can provide enough. oxygen for 18 people (e.g., American Forests 2006; Tree-. People 2006), but based on this study, this estimate appears to. be high by at least a factor of two. The number is more on the. order of eight people per acre of tree cover (100% tree. canopy).