Oxygen serves as the final electron acceptor during aerobic respiration.
That demand should be little surprise given the leagueâs recent success. In 2011, average MLS attendance hit 17,872 to surpass both the NBA and NHL, and it has since increased to 18,611 fans per game. More impressively, the average franchise is now worth $103 million, up more than 175% over the last five years.
Major League Soccer (MLS) is the top-level men's professional soccer league in the United States and Canada. MLS has 20 teams as of 2015â17 in the United States and 3 in Canada. The league began play in 1996, its creation a requirement by FIFA for awarding the United States the right to host the 1994 World Cup.