Plants could serve several functions on space vehicles. One obvious use is to provide
fresh food. Fresh fruits and vegetables are a welcome change from prepackaged,
freeze-dried foods. Also, plants could help to recycle wastes. They can take up carbon
dioxide released by humans and release oxygen back into the air. Finally, plants could
provide a psychological benefit by creating a pleasant natural space within the high-
technology environment.
Choose (a or b)
a. Addition
b. Time

Read these excerpts. lincoln's "gettysburg address." it is for us the living, rather, to be dedicated here to the unfinished work which they who fought here have thus far so nobly advanced. whitman's "o captain! my captain! ". exult, o shores, and ring, o bells! but i, with mournful tread, walk the deck my captain lies, fallen cold and dead. which rhetorical appeal do both excerpts use? logos: the use of logic to convince the audience pathos: the use of emotional appeals to affect the audience’s feelings brevity: writing or speaking that is short, brief, and to the point ethos: the use of authority to persuade the audience to act the right way