Circle the letter of the sentence in which the word in bod faced type is used incorrectly

1. a. although a creator and *proponent* of the atomic bomb, robert oppenheimer became an opponent of it's case.
b. cinderella becomes the *proponent* character in the fairy tale when the matching slipper fits her foot rather than those of her stepsisters.
c. growing up poor and having no formal education, president andrew johnson became an enthusiastic *proponent* of public schools.
d. mother jones was such a vocal *proponent* of child labor laws and concern for the poor that she sometimes went to jail for her beliefs.

One of the author’s purposes in the code book is to explain different types of codebreaking to his readers. which line best demonstrates this purpose? a theoretical breakthrough would be a fundamentally new way of finding alice's private key mathematicians have been studying factoring for centuries, and modern factoring techniques are not significantly better than ancient techniques a more recent development is the so-called tempest attack, which aims to detect the electromagnetic signals emitted . . in a computer's display unit if scientists could build a quantum computer, it would be able to perform calculations with . . enormous speed