Final answer:
The best adverbial conjunction to combine the sentences 'Adam’s acting expressed the hopes and fears of youth.' and 'His appeal is timeless.' is 'Consequently', showing a cause-and-effect relationship. The correct answer is option: Consequently.
Step-by-step explanation:
The query involves combining two sentences with an adverbial conjunction to illustrate a logical relationship. The sentences 'Adam’s acting expressed the hopes and fears of youth.' and 'His appeal is timeless.' suggest a cause-and-effect relationship, indicating that Adam's acting, which captures the essence of youth, leads to his timeless appeal.
Therefore, the best adverbial conjunction to combine these two sentences is 'Consequently', as it indicates that his appeal being timeless is a result of his acting expressing youth's hopes and fears.
Here is how the combined sentence would look: 'Adam’s acting expressed the hopes and fears of youth; consequently, his appeal is timeless.'