'forgot his umbrella' would be the subordinate clause in that sentence.
And it is an adjective clause.
Answer:
3) Plural possessive noun
Explanation:
It is talking about vultureS (plural), and it is being used to show that the vultures have small red heads and white beaks, making it possessive.
Answer: This is a personal question for yourself so you need to focus on what you would do if you were a billionaire and all the other questions.