What kind of boundary is shown in the image below? Convergent
Divergent
Collisional
Transform

where is the image

Explanation:

how can we know the answer

we have to select the terms that are associated with communication between neurons.

synapse is the gap between two neurons that is there to transmit the signal.

from one neuron to other neuron the signals transmit through neurotransmitter which is a chemical and finally after reaching it becomes the electrical signal

therefore, option 4th is correct that is: synapse,electrical signals and neurotransmitter.

answer; introduction;