Final answer:
In the given sentences, the clauses are categorized as IC (independent clause), DC (dependent clause), RC (relative clause), or P (phrase).
Step-by-step explanation:
1. Ramon will be able to play after he finishes his homework - IC
2. My apartment, a two-bedroom high-rise unit, was not suitable for raising children - P
3. Ramon will be able to play after he finishes his homework - IC
4. My apartment, a two-bedroom high-rise unit, was not suitable for raising children - P
5. My brother, who teaches history in North Carolina, is an avid golfer - RC
6. My brother, who teaches history in North Carolina, is an avid golfer - RC
7. Although John loves playing football, he is better at golf, which fits his calm and meticulous demeanor perfectly - IC, DC
8. Although John loves playing football, he is better at golf, which suits his calm and meticulous demeanor - IC, DC
9. Although John loves playing football, he is better at golf, which suits his calm and meticulous demeanor - IC, DC
10. My uncle, a man brimming with confidence, excels as a salesman - P
11. My grip beginning to loosen, I began to panic - P
12. My grip beginning to loosen, I began to panic - P