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

What does the candle symbolize in this excerpt from leo tolstoy’s the death of ivan ilyich? “when i am not, what will there be? there will be nothing. then where shall i be when i am no more? can this be dying? no, i don’t want to! ” he jumped up and tried to light the candle, felt for it with trembling hands, dropped candle and candlestick on the floor, and fell back on his pillow. a. ivan ilyich’s shallow lifestyle b. ivan ilyich’s troubled conscience c. ivan ilyich’s murky past d. ivan ilyich’s approaching death