What is the author's tone towards the subject? it is detachedit is interested. it is frustrated. it is mocking

Which underlined word in the sentence is a demonstrative adjective? these brown shoes fit my feet very well.

The reversalists continue their labors, confident that they will one day construct an engine that generates more compression than it uses, a perpetual power source that will restore to the universe its lost vigor. which theme is best supported by the excerpt? a. scientific study requires dedication and perseverance. b. people will always look for a way to achieve immortality. c. death must always be endured alone. d. change is difficult to accept but beneficial if embraced.

Identify and evaluate the specific strategies used to persuade the audience in gettysburg address