Direction: Please read the following 2 arguments carefully, and decide which are facts and which are opinions. Notice all the sentences in the 2 passage have already been numbered in sequence. Argument 1: (1)We should invest more in space travel. (2)Many discoveries have come about through space travel. (3)It is important for us to learn more about the universe we live in. (4)The fuel needed for space travel may not be around for much longer so we should use it while we have the chance.