The the repetition of happy should mean that the poet is making the tone a happy mood and that he is trying to show that the poem is a happy them
1. Temperatures RISE in the summer.
2. The fire REACHED the edge of the city.
3. It's BITTERLY cold outside.
4. He WARNED us to stay inside.
5. The hurricane HIT the coast. (I am like 99% sure on this one)
6. The STRONG winds caused problems. (Also like 99% sure)
7. Power LINES were on the ground.
8. The city took many years to RECOVER from the disaster.
<span>Snakes are one of the most adaptable animals on the planet, so are humans.</span>
Although there is not a current paragraph related here. According to the actual meaning of the word, vicissitudes, it is possible to say taht this word means difficulties (mainly related to difficult times), that are going to have possitive consequences. In other words, it is possible to say that it has a possitive and a negative meaning at the same time.