Answer: Excuse me, but where are the sentences?
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.
Answer:
Zero kelvin
Explanation:
The movement of particles becomes slower the colder it gets. However, they completely stop moving only <u>at the temperature of zero kelvi</u>n, which is considered the absolute zero, and the temperature that can’t get lower and colder. There is no natural place that is this cold, not even space.
<u>Transformed into Fahrenheit, this temperature would be minus 459.67 degrees, or minus 273.15 degrees on the Celsius scale. </u>
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An allegory.
Allegory means a story that often times has a hidden meaning or tells a moral.
Hope this helped!