Does anyone know what this is is this nuclear energy houses I forgot

Which techniques best describe the tone the author is using in this passage?

Identify the sentence in which the underlined word or words are punctuated incorrectly. a) pam was (well prepared) for the debate. b) she had (read three quarters) of the material more than once. c) she has always been (self assured). d) the winner needs a (two-thirds) majority of the votes.

Which form does a verb take when the subject receives the action?