The author emphasizes the size of New York City to show that it's actually quite small compared to nature and the ecosystem. The author emphasizes the "colossal" size of New York as an ironic source with the purpose of showing that even the strongest concrete city can be drawn by the power of mother nature itself.
Answer:A/Happy
Because the mood is calm
It’s the quality and and value of the content of the books some are to be swallowed and tasted