Examples of using "21 %" in a sentence and their english translations:
The study showed the glacier melt was raising sea levels by about 0.74 millimeters a year, or 21 percent of overall sea level rise observed during the period.
Our atmosphere contains 21% oxygen, which is necessary for us to breathe, 78% nitrogen, and 0.9% argon. The other 0.1% consists of water vapor, carbon dioxide, neon, methane, krypton, helium, xenon, hydrogen, nitrous oxide, carbon monoxide, nitrogen dioxide, sulfur dioxide, and ozone.