Bbbbbbbbbbbbbbbvvvvvvvvvv
Yes it’s good, though it’d be better if you used “Your sister and my sister are best friends, they do many things together” that (and) word doesn’t seem necessary. Hope this helped :)
B, cells usually have a cell wall and a cell membrane depending on whether they are eukaryotic or prokaryotic.
Its B = Must combine his own desires with society's expectations to achieve a sense of identity. 100% SURE
