Answer:
A. Real Estate
Explanation:
Making an educated guess here and saying real estate because properties are essentially the most profitable investments
Answer:
The tall man wore a big yellow hat on his head.
Explanation:
This is the correct answer because the antecedent is the "tall man". This is a singular noun. Man also tells us it will refer to the pronouns denoting a male gender, in this case "his". Therefore, "The tall man wore a big yellow hat on his head." is correct.
Your answer is A, explaining how social networking is changing friendships.