The lack of iron makes them crave ice.
In "The Tell-Tale Heart," what prevents the narrator from killing the old man during one of the first seven nights? The narrator says that his reason for killing the old man is that he does not like the old man's "pale blue eye, with a film over it" - he calls it a "vulture eye" and an "Evil Eye".
op level consumer in a food chain or food web that has the least number
