1. "Workers" and "tables" are both nouns, because they describe a group of people (workers) and a group of things (tables)
2. I may be right or wrong, but I believe "workers" is the subject in the sentence
The quote "Have the courage to live. Anyone can die" can relate to real life because you should have a motive to live. Life is hard and the world is cruel but we have to keep pushing life is hard we must be strong in order to survive.Anyone can end there life's but a strong person should be able to have the courage for another day.
I would say B because through dialogue your character may express his or her feelings
The density of liquid can not only help with sciences, but can help you with finding out the murderer of a crime novel. For example, if the killer had poisoned the ice or drink, knowing what the density of liquid can help you find out what poison was used or the antidote.
