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.
Grease and oil and certain other materials can self-ignite in the presence of pure oxygen, which is why the NFPA considers them significantly more hazardous than other flammable materials when used with oxygen delivery systems.