I'm not sure if this question is talking about neurons, but if it is... depolarization in a neuron leads to an "action potential."
Answer:
a
Explanation:
Which type of fossil does this image depict?
a: cast
b: carbon imprint
c: mineralized fossil
d: original-tissue fossil
I would pick H but it might be J but I am pretty sure it is H so go with that ok if you need any thing else I will help you ok