Which is outlined in article 7 of the constitution. A. Ratification
B. Supreme law of the land
C. Creates the 3 branches of the government
D. How to amend the Constitution

there is 2 main differences, basically which are the users and the market. the other difference is the kind of content

people who use tik tok are mainly people from east asia, kind of like the app douyin. musically, on the other hand, are used by people from america or european countries.

while tik tok videos show things like daily life videos, comedy, or just funny videos, musically are like people mimicking songs with their own actions, 'imitate' singers and video clips.

hope this !

yes they most likly are and have planed t try to bring human life and supplies there also(due to global warming and other harmful resorces)