Answer: 1st one is wrong, atoms are the smallest unit of measure
Explanation:
Answer:
i think its the first one sorry if its wrong
Explanation:
Most preganglionic fibers in the sympathetic nervous system synapse with postganglionic neurons.
<h3>
What is preganglionic fibers?</h3>
Fibers from the central nervous system (CNS) to the ganglion found near the vertebral column are known as preganglionic fibers.
<h3>What does preganglionic fibers synapse with?</h3>
The preganglionic nerve fibers synapse with the postganglionic neurons inside the sympathetic ganglia.
Thus, we can conclude that most preganglionic fibers in the sympathetic nervous system synapse with postganglionic neurons.
Learn more bout preganglionic fibers here: brainly.com/question/14526005
#SPJ1
The answer to this question is mutation.