I believe the correct answer is B) repair of injury.
Sorry if this is incorrect but hope this helps!
The process is ocurring by steps, starting with depolarization.
1- Na+ permeability > K+ permeability
2- Vm (membrane potential) approaches ENa+ (quilibrium potential for potassium)
3- K+ permeability > Na+ permeability
4- Vm (membrane potential) approaches EK+ (quilibrium potential for potassium)
Distance Travelled- 5 miles
Displacement- 13 miles
Answer: atomic mass is the amount of protons and neutrons
Explanation:
Correct answer - A (Elephants have few offspring, so they need to protect them from predators.)
Why? - The herd is led by the oldest and often largest female in the herd, called a matriarch. They live in herds so that the young elephants stay safe from predators.