You live in a building with 8 windows on the front wall. Each window can be either open or closed. When a window is open, we call it 1. When it is closed - it is 0. How many unique combinations is it possible to
make by opening and closing windows?

answertrue;

the major difference between the two is the objective and the reward of the game. candy crush has a puzzle theme with the objective of meeting a specific quota of points or objects, you are able to gain access to the next level and compete with peers on the process. on duolingo the objective is rather different, you are given sets of questions for you to answer for you to move to the next level and as for the reward, you are able to learn available language as this is an app developed to teach the user about other languages.