Final answer:
The correct answer is B. Strong roots to resist pH changes.
Step-by-step explanation:
The correct answer is B. Strong roots to resist pH changes.
Common taiga plant adaptations include long, thin, waxy needles to prevent water loss (A), long roots to anchor trees (C), and plants growing close to the ground to resist cold winds (D). However, strong roots to resist pH changes is not a common adaptation of taiga plants.