How do the boys appearances reflect the changes they have undergone since being on the island lord of the flies

By comparing part 1 and 2 of polar opposites what does it mean by polar opposites

What happens once in a minute twice in a moment and never in a thousand years?

When i was four years old, my dad and i a tree in our front yard. it was a tiny, fragile sapling. he promised me that it would grow tall and strong, but he said that i had to be patient. until i turned 18 years old, dad and i it every year on my birthday. choose the words that correctly fill in the blanks.