Which sentence does not contain any errors in comma usage?
a.
if you ever visit new haven, connecticut, be sure to eat at sally's pizza.
b.
as of september 15 2004, my new address will be 4 electric avenue, somerville ma 02144.
c.
the original london bridge was moved to lake havasu city arizona.
d.
my great-grandmother's birthdate was may 6 1923.

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 !

is this multiple choice?