Option D is correct.
A synapse is the opening between neurons that neurotransmitters pass through.
I think temprature and the right ph level
I think that the answer is 12 billion. So sorry if I am not right.
Light waves are part of the _electromagnetic spectrum. _
remember that the whole E.M. Spectrum includes various "types of light" > Infrared, (Visible) Light, and UV Light.
_Brainliest if helped!
Answer:
A yo in taco Tuesday everything goes right way
Explanation: