1. What is the central idea of this article?
a. Warmer spring temperatures are causing a lack of snow cover in the verst
Rocky Mountains.
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b. Global warming is destroying the Rocky Mountains, a precursor of
future destruction.
c. A lot of people depend on snowmelt from the Rockies for their lives om by
and businesses.
d. The snowpack accumulation is affected by variations in temperature and
precipitation over time.
warmer springs causing loss of snow cover throughout the Rocky Mountains