Explanation:
those poor Esgaroth people. Assuming Erebor is mainly composed of Volcanic igneous rock, I'm guessing that Smaug's fire is cooler than 1200 degC, since he didn't melt the tunnel the Dwarves were hiding in. Most minerals that comprise igneous rock begin to become molten before temperatures reach ~1200 degC.
Alliteration pretty obvious lol
Judging by the use of Adam in the text, it is more clear to understand that this texts theme is creation.
Look at context clues in your sources