Achieve=Giants of California What cause-and-effect relationship is described in this article?
A. Giant sequoias grow so large because their thick bark
keeps them safe from fast-moving fires.
B. Giant sequoias grow for so long because few humans have
settled in the Sierra Nevada Mouygtains.
c. Giant sequoias grow so large because they have the most
leaves of any tree on the planet.
D. Giant sequoias grow for so long because they start to grow
more slowly as they get older.
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