Read the phrases below and say what type of travelling is meant in each of the statements, what the missing words are, whether the speaker likes or not this type of travellting and why

Speaker 1 - ... is directly affected by any weather changes, which create wind or cause large waves. As a result, the voyage sometimes becomes dangerous.
Speaker 2 - has to be closely navigated to avoid any dangerous rock formations or ice flow, while ... has fewer such dangers.
Speaker 3 - ... is a solution for those with airplane fear. And it's cheaper to transport cargo with ... than byair.
Speaker 4 - I dislike the whole ... procedure - from the ... to the check in queues and the flight itself.
Speaker 5 - Travelling by ... is the most fun , especially when you can get out of the ... and swim in the water!
Speaker 6 - I still prefer to avoid ... . I was once on ... , when we were ordered to turn back because someone had phoned the ... to say he had placed a bomb aboard (luckily, he hadn't).
Speaker 7 - It's okay to travel by ... . But ... frightens me with its sharks catastrophes. Everyone still remembers the Titanic!
Speaker 8 - ... had to be preferable, in my opinion. At least you can walk about and enjoy the facilities and even escape anyone who annoys you.