An atom of an element that has a different number of neutrons that the standard atom of that element

Writing, you can revisit previous parts of the lesson by returning to the course map. be sure to refer to the lab’s student guide, which you can find on the first page of the lab experiment activity

Synapse nervous system they process and transmit signals. in a neuron

Im not sure if you still need this but the answer is 300 hz450 hz  i just did this lesson so , wish you the best of luck and take care