Name the 3 events that make up the equestrian sport eventing.

Eventing is an equestrian event where a single horse and rider combination compete against other combinations across the three disciplines of dressage, cross-country, and show jumping.&Combined Training, and the name persists in many smaller organizations

every el niño cycle is different. every year.

not sure if this is what you'r looking for eubacteria and archaebacteria