A) You can either break/open a window and jump out or use a portable ladder.
B) Also, you can go out the front door, if fire is in front of the door, you can go out the back, or go through the garage/basement door (if have one)
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.
