Given the context and wording, I would say the iron weight is symbolizing a scale, or a like instrument used for weighing things such as potatoes or hay.
Answer:
E Whether the substance at which......
Answer:
C. To support a speaker's point by providing evidence or clarity.
Explanation:
Visual aids, such as photographs, videos, diagrams, graphs, charts, etc. have the ability to enhance a speech by providing evidence or clarifying a specific point or showing data in a way that is easily comprehendable and/or comparable (i.e. a line graph comparing two sets of data, or a pie chart showing the composition of the data).
Character Vs Nature, Character vs Character, Character vs self
