Answer:
Gregory "Greg" Heffley is a fictional character and the protagonist of the realistic fiction novel series Diary of a Wimpy Kid created by American cartoonist Jeff Kinney. He serves as the antihero and unreliable narrator of the series.
Explanation:
This is a SIMILE - if words such as 'as' or 'like' are used in order to compare two things (in this case, 'giant rocks with razor edges crouch LIKE a sea monster with wide open jaws'), then it is a simile.
Answer:
adjective clause
Explanation:
It is a clause that modifies the <em>noun </em>"Europe".