"Hidden" should be capitalized because it's the beginning of a new line.
It is called a participial adjective.
They are pretty common in English language and in the sentence provided the participial adjectives are "gnarled" and "twisted" as they were created from the verbs "to gnarl" and "to twist".
Answer:
To compare and contrast the islands in the essay.
Explanation:
(of soil or land) producing or capable of producing abundant vegetation or crops. Fertile Land Is Where You Can Grow Food N Etc.
