Put the words in the correct order to make sentences.

1) traveled / people / by / the / sea / past / In.
2) the / largest / world / country / in / Canada / the / is / second.
3) like / churches / to / Tourists / Ukraine / visit / mane.
4) in / animals / Nowadays / danger / are / many.
5) protect / pollution / must / People / the / environment / from.