3 Ice climbing is a more challenging sport than rock climbing because
a) you need special equipment to climb the ice.
b) it takes strength and hard work.
c) it is very difficult to get to the top.
4 An advantage that sandboarding has over snowboarding is
a) there are more places that you can do it.
b) it is a sport you can do when it's hot out.
c) you can do it at any time of the year.
5 According to the video, the most thrilling extreme sport is
a) scuba diving
b) sky diving.
c) white-water rafting.
