Which of the following statements about meta-search engines is NOT true? Select one: a. Meta-search engines can save time, but you shouldn't rely on them exclusively. b. Meta-search engines provide results based on the keyword(s) submitted. c. Meta-search engines are a waste of time because they provide very few results. d. Meta-search engines scan multiple search engines simultaneously.

answer inspecting packets in isolation from their context;

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.