Final answer:
The survival action that includes steps to be performed before communicating a MAYDAY is Disentangle, giving priority to self-rescue efforts to get free from any physical obstructions.
Step-by-step explanation:
The main answer to what survival action includes steps that can be performed before communicating a MAYDAY is B. Disentangle. Disentangling yourself can be critical for survival in situations where you find yourself trapped or entangled, preventing you from reaching a safe area or from being able to communicate a MAYDAY effectively. When an individual becomes ensnared by debris, wires, or obstacles during an emergency, disentanglement should be the priority. This process includes assessing your surroundings, controlling your breathing, conserving energy, and methodically removing or navigating away from entrapments. By successfully disentangling, you create the opportunity to seek safety, administer self-aid, and then communicate a MAYDAY if additional rescue assistance is necessary.In conclusion, disentanglement is an essential step that can be a lifesaver in emergencies before one can safely issue a MAYDAY call. It's a proactive measure that can make a significant difference in the outcome of survival situations.