Answer:
When reunited with Daisy, Gatsby is at first extremely nervous. He even takes a walk in the rain before she arrives. He arranges everything (the flowers all over Nick's house), but is convinced that the reunion was a mistake. Nick leaves the two of them alone, and when he returns, finds them in a rather happy mood. There is also a change of the weather - the sun is shining outside. The three of them then go to Gatsby's house, where he later reveals Daisy his ritual of staring at the green light and thinking about her.
Cars run on combustion
whether/Wind created by heating and cooling of air
and water faucets work with the laws of gravity
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