Multiple Choice
Refer to the figure.
- The figure shows the distribution of aspen in North America and the factors that limit it. What is the most common factor limiting aspen's distribution along the western edge of its range in Canada?
A) Failure to survive drought
B) Failure of fruits to ripen
C) Failure of flowers to survive frost
D) There are no limiting factors along the western edge of the range.
Correct Answer:

Verified
Correct Answer:
Verified
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