Answer:
The purpose of the expert is to inform the audience about how water pollution harms humans and aquatic species.
Explanation:
The information that the expert is providing shows specific examples of how though incorrect practices the water has become dangerous for people and the species that live in it. The excerpt has an informative purpose it doesn't try to convince anyone to do or accept anything but it tries to make people see the reality about the world and the dangers we are living now.
Answer:
depends on the number of invitations that were given out and the size or accomodation
*First person* is the point of view that makes the reader feel like a close friend or confidant.
Answer: Nativism is the political idea of holding the interests of natives as more important than those of immigrants or naturalized citizens. This idea is promoted by supporting immigration restrictions or complications.