as in any liquid, as heat is added, solutions become more capable of holding more dissolved material . (not sure if this is what you're asking as it seems to be missing information)
Im pretty sure A Nor’easter is a strong wind or storm blowing from the northeast. Hope this helps
2 seems like the best answer
The modern era of flight lifted off in 1783 when two brothers demonstrated their invention, the hot air balloon, before a crowd of dignitaries in Annonay, France.