(these are answers that are generic and simple if you need to insert names for your grandparents)
I remember when I was 3-5 old I went to the park with my grandparents. This is one of my first memories I still remember clearly my grandma telling me to come down the slide. I was trembling with fear but her warm smile urged me to come down. Next is when pretty recently I went to a summer carnival with my grandpa. We went on the ferris wheel like 4 times it was such a beautiful view. Before we went to the carnival me and my grandpa went to the aquarium and we saw the dolphin show and went on a walk through the city after. I remember I think like last year, my grandparents took me and (insert somebody's name)
Answer: The first 4 lines is the first quatrain, the second 4 lines is the second quatrain, the third 4 lines in the third quatrain, and then the last 2 lines is the couplet.
There is no arrival shown but some causes include : the illegal use of gillnets used by fisherman, whaling, climate change,pollution, ships hitting them and habitat loss