How long would it take if instead of doubling the number of grains for each square of the chessboard, the inventor asked for adding two grains?

In he example code, what does the title attribute create? a tool tip an element a source a markup

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)

Respond to the following in three to five sentences. select the workplace skill, habit, or attitude described in this chapter that you believe is most important for being a successful employee.