Answer:
1.) Avalanches ( Once your trapped your dead)
2.) Ice Cracking and Ice Water Breaks ( If you fall in water in those type of weather conditions you could die from hypothermia.)
3.) Altitude sickness ( This is the opposite of you diving deep into the ocean, it is something similar to that. )
4.) Lack of oxygen
5.) Falling rocks
Step-by-step explanation:
Hope this helps : )
This is prior knowledge : )