'In the 1770s Lavoisier discovered that air is made up mostly of oxygen & this gas'
nitrogen
SCIENTIFIC DISCOVERIES: In the 1770s Lavoisier discovered that air is made up mostly of oxygen & this gas
In the 1770s Lavoisier discovered that air is made up mostly of oxygen & this gas
In the 1770s Lavoisier discovered that air is made up mostly of oxygen & this gas
SCIENTIFIC DISCOVERIES
nitrogen
SCIENTIFIC DISCOVERIES