Answer:the answer is a.3 there is only 3 domains in the classification system
Explanation:help from the test and you guys and i hope this helps you with your segment exam if you are working on that but uhm yea have a great day and when summer i hope you have a great summer!! cya later!!
-fnafanatic(or as i like to be called -bandu). p.s. ik this question was in halloween but i just wanted to say if ya having a great summer!!!