Here is a structure on how to answer:
1. Think of two examples: Maybe you think that developing countries does not have as much art - which does contribute to the happiness of the people.
Second, maybe the living conditions.
2. Research to add credibility.
Appositive phrases are used to further describe the nouns before them. They act like adjectives, although they aren't necessarily always adjectives. In most cases, they are separated from the rest of the sentence using commas on both sides. So yes, you are right - the appositive phrase in this sentence is either tulip or daffodil.
The United States and Russia maintain diplomatic and trade relations.
Answer:
I was unable to help, so I gave her some money.
or
I gave her some money, as I was unable to help.
Explanation: