There are 11 players on the field per team during a soccer game. Each team has 10 field players and a goalkeeper. Formations a...
Liquid oxygen is not flammable! It does however support vigorous combustion in anything even remotely flammable (like road tarmac, or human beings). That is because is is very reactive indeed. Being in liquid rather than gaseous form simply increases the concentration & availability of the element.
Oxygen poses a fire risk, so you should never smoke or use flammable materials when using oxygen. You may experience side effects from this treatment, such as a dry or bloody nose, tiredness, and morning headaches. Oxygen therapy is generally safe. Visit Oxygen Therapy for more information about this topic.