Look at the definitions of these word parts. im-not
pregn from the Latin root prehendere, meaning "to seize"
-able able to do something
Based on these word parts, what is the definition of impregnable?
A difficult to break or injure
B difficult to understand or foretell
C difficult to hold or secure
D difficult to attack or destroy

Atheme from letter 4 in frankenstein is “friendship is sometimes born in the most unconventional places and situations.” this theme is conveyed through the conversations between walton and frankenstein, and these talks lead them to become confidants and friends. describe a theme from letter 3 of frankenstein and a different theme from letter 4. how are these themes conveyed in each letter? provide evidence from the text to support the themes expressed in each letter.