Answer would be A, reduce. the other person deserves brainliest
Answer:
the first,second, and third are the answer if this is multichoice which i am guessing it is.
Explanation:
Answer:
c. is a biotic factor within an ecosystem
The transmission of an impulse is made possible first by electric signals propagating within a neuron. Then, at the end of the axon called a synapse, chemical substances called neurotransmitters get released to transmit the message. These neurotransmitters then attach to chemical receptors in the following neuron.