1)---- Aerobic
2)--- Anaerobic
3)--- Duration
4)---- Lactic acid
5)---- Frequency
6)---- Adenosine triphosphate
7)--- Mode
8)---- Intensity
Since medieval guilds were unions made up of working men, the correct answer here would be 'labor unions'.
Romeo turns to advice from B. serious, mature Friar Laurence. hope this helped! :)