What kind of clause begins with a subordinate conjunction

What is the meaning of the word checking as it is used in this sentence from the second paragraph of the passage?

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.

Millicent sat down at her desk in the big study hall. tomorrow she would come to school, proudly, laughingly, without lipstick, with her brown hair straight and shoulder length, and then everybody would know, even the boys would know, that she was one of the elect. teachers would smile , thinking perhaps: so now they've picked millicent arnold. i never would have guessed it. —"initiation," sylvia plath what inference can be made about millicent from the way she is characterized indirectly? millicent is a student with straight brown hair. millicent does not usually take care of her appearance. millicent has not always been popular.