Why does the author use a problem-solution text structure in the paragraph?
to help the reader understand the astronauts'
feelings about the landing
to help the reader understand the intense pressure
of the situation
to help the reader understand the similarities
between the leaders' options
to help the reader understand the process of
"burping" an engine

its d my guy but sorry it took so long

Explanation:

i looked it up on here!

I think Its D

Explanation:

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 !