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Pioneers who crossed the Sierra Nevada mountains in the mid-1800s were threatened by

A. exposure to too much sun.
B. Apache and Comanche attacks.
C. snow and freezing temperatures.
D. slow travel across sand.

2 Answers

5 votes
It is c the answer is c
User CantrianBear
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3 votes
It is

C. snow and freezing temperatures.
User Promo
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