Asap! anne franke questions. which character is described as being "mercurial"?

anne.
peter .
margot .
mrs. van daan.

why are the characters wearing several layers of clothing when they arrive at their hiding place?

it is wintertime so the weather is cold.
they know that the secret annex does not have heat.
they would look suspicious if they carried suitcases.
they were in a hurry and did not have time to pack properly.

Read the excerpt from “strychnine in the soup,” in which mr. mulliner explains the ending of a mystery novel to a bar patron who is anxious to know the conclusion of the story. “the plumber forgot his snake and had to go back for it,” explained mr. mulliner. ‘‘i trust that this revelation will prove sedative.” “i feel a new man,” said the draught stout. “i’d have lain awake worrying about that murder all night.” explain how a student who did not know the meaning of sedative could infer its definition?