Asoftware you create and display worksheets containing data

An excel which cell contains =b2 is copied to row below, the same column. what will be the new cell's content

Which demographic challenge is europe currently experiencing? a. an aging and decreasing population b. a baby boomc. an unequal distribution between males and females d. a large group of teenagers moving through the school system(i chose a but i'm unsure)

Which component acts as a platform on which application software runs