I'm not sure if this question is talking about neurons, but if it is... depolarization in a neuron leads to an "action potential."
If a substance is not able to be separated by physical means but is able to be separated by chemical means, it is a compound.
<span>Market demand for goods associated with a species.</span>
Hey what is your question? i can help! :)
It would take roughly 5 seconds knowing that sound travels 310 meters per second