 
 <translate> Billy loved climbing, and he eventually suffered a brain injury due to what?
Options:
- getting higher
- loss of oxygen
- falling
- blisters
- ascending
Let's think now! Step-by-step reasoning: <ibo> Billy hụrụ ịrị ugwu n'anya, o mesịkwara nwee mmerụ ahụ ụbụrụ n'ihi gịnị? Nhọrọ: - na-arị elu - enweghi ikuku oxygen - na-ada - ọnya - na-arịgo Ka anyị chee echiche ugbu a! Ntụziaka nzọụkwụ site na nzọụkwụ: 