प्रश्न 19 भारत के संविधान की उद्देशिका में वर्णित किन्ही पॉच मूल्यों का उल्लेख कर अर्थ स्पष्ट करे ?5 अथवा
भारतीय संविधान की प्रस्तावना को संविधान का दर्शन कहा जाता है । स्पष्ट करें

english please

Explanation:

to change your username, you must:

1) make sure what the username you want to change to is allowed in this community

2) contact a administrator (for example, jaysl)

3) through pm, tell the admin what you want to change to

4) if the username is allowed, it will be changed in a matter of seconds (minutes at most)

~

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.