<span>they both had their conclusions based on solid evidence</span>
Answer:
A nonpolar molecule has no separation of charge
Explanation:
Because it has atomic no. = 1 (according to modern periidic table)
To get out the iron filings put everything in to a container and then put the magnet to the side to attract them. Pull them out of the container. Then, I don’t know how to separate the sand and salt. Maybe evaporate the salt? I joke you can figure it out. Best of luck! :)