Neurotransmitters is the word you're looking for.
A Personal Issue is an issue that is then of an individual or also in a relationship causing then a potential conflict or concern. If this will not be resolve or if nothing will be done then it can lead to a big problem then.
Answer:
C autosomes
Explanation:
the remaining chromosomes are known as autosomes
The combination of sulfur dioxide, nitrogen oxide, and atmospheric moisture creates acid rain.