18. a stock character is one that's a. familiar and commonly used in many stories. b. always involved in some type of internal conflict. c. constantly changing and adapting to situations. d. typically one-dimensional with a dominant quality.

The details about the statues, i believe, are that they're carved from blocks of igneous stone, many of them are partially buried under the ground which to preserve and protect them from the harsh environment on easter island, and many of the facial features have washed away. also, the most well-preserved one is at the british museum in london.these are just guesses from what i can see and what i think i read correctly. i'm sorry i couldn't be more .