Treatments. 1  Soak washcloth in warm water. 2  Dab washcloth on the boil. 3  This treatment allows the pus seeping out of bump, and as the result the boil will shrink.
The earth's atmosphere is approximatively 21% oxygen (really about 20.95%). 78% is nitrogen. The rest is a small mixture of other gases. 7 people found this useful.
So about 40% of the annual global oxygen production is due to Algae. Stock of Oxygen in Atmosphere. About 20.9% of the atmosphere is Oxygen. This is the level after about 3,500 million years of Photosynthesis. What is the share of algae in the stock of oxygen ? Is it proportionate to the annual production or is it higher or lower ?