Using an example, explain what opportunity cost is. (own words)

Drag the tiles to the boxes to form correct pairs. match each word with its synonym irate wasteful unmerciful headstrong extravagant stubborn heartless angry

Which is the most engaging way of describing how to prevent eyestrain? o a. the medical term for eyestrain is asthenopia, and is caused by the contraction of the ciliary muscle. o b. to prevent eyestrain, people should not look at screens for as long as they often do. o c. the human eye tires after staring at close objects, such as computer monitors, for too long. o d. remember the 20/20/20 rule: every 20 minutes, look at something 20 feet away for 20 seconds

Which describes the purpose of storytelling? a. to entertain and to teach new ideas b. to inspire religious feelings and to honor ancestry c. to communicate, to explain natural events, and to record history d. to create art, to describe emotions, and to frighten supernatural forces