Liverpool can survived without Mohammed Salah in the squad, they play together and the absence of Salah will not pose any threat.
But Liverpool relies heavily on Muhammad Salah to win in most of their games just as Manchester city rely heavily on Kevin De-bruyne to win most of their games as well, taking Salah out of the picture, the absence will really be felt in the Liverpool's future games; However, it doesn't mean that they can't survive without him, but they have to learn to win with or without his presence in the team.