Final answer:
The two main interventions for variable decelerations in newborns are resuscitation and intubation.
Step-by-step explanation:
The two main interventions for variable decelerations in newborns are resuscitation and intubation. Resuscitation is performed if the infant does not breathe on their own at the time of delivery. Intubation involves inserting a tube into the infant's trachea to mechanically assist with breathing.