1) It was very hot in the desert - e)They wore heavy clothes.
2) There was no vegetation in that part of the desert - f) They thought they could see palm trees in the distance.
3) He was an experienced explorer - c) He agreed to go on the expedition.
4) She gets altitude sickness - d) She decided to climb Mount Everest.
5) He knew it was a dangerous expedition - a) He couldn't finish the trip.
6) I am very adventurous - b) I wouldn't become an explorer.