I need help please

One subtask in the game is to roll the dice. explain why is roll the dice an abstraction.

To check spelling errors in a document, the word application uses the to determine appropriate spelling. internet built-in dictionary user-defined words other text in the document

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)