I would say (A) simile.
<span>- A simile uses "like" or "as" to compare two things.
- Imagery is when the author uses highly descriptive and vivid language to provide an image that the reader can visualize, helping them to understand the text.
- Personification is when non-human objects are given human characteristics.
- A metaphor is a non-literal comparison of two things without the use of "like" or "as".
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The best way to combine these sentence into one correctly complete one is to use semicolon. In general, semicolon is used in order to combine two sentences that share similar idea into one. It is needed to avoid repetition and redundancy. So the correct sentence looks like this: These trains were not toys; they were detailed models built to try out ideas for real trains.
An analytical essay often incorporates outside source material. The answer is option B. Analytical essays need to incorporate outside source materials in order to support the writer's analysis and interpretation to a certain thing such as a book, poem, event, or even a work of art because it needs to have reliable basis as to why the writer came up which such analysis.
Basically a bad reason or one with little purpose or meaning