Will mark brainliest and give thirteen points

the awnser is D

a neap tide is when the moon is either above or below earth

and a spring tide is when the moon is on the side/both sides middle of earth.

Hope this helps and isn't too confusing.

after receiving a stimus, the sensory receptors send(s) signals to the appropriate area of the body.  

the must be sensory neurons.  

hope its .