Final answer:
The most coherent way to combine the provided sentences is to say 'The mummy was nicknamed Ötzi the Iceman because he was found preserved in the snow.' Answer: The best way to combine sentences 1 and 2 is option D. The mummy was nicknamed Ötzi the Iceman because he was found preserved in the snow. This sentence combines both the reason for the nickname and the discovery of the mummy in one clear sentence.
Step-by-step explanation:
The best way to combine sentences 1 and 2 is option D: "The mummy was nicknamed Ötzi the Iceman because he was found preserved in the snow." This combination clearly links the nickname directly to the reason why he was named that way, showing the cause-and-effect relationship between being found in the snow and receiving the nickname.