77. The passage answers which of the following questions?
(A) What is the effect of atmospheric pressure on foliage?
(B) When do dead cells harm plant growth?
(C) How does water get to the tops of trees?
(D) Why is root pressure weak?

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統計： A(26), B(5), C(149), D(3), E(0) #2007437

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#3809387
A) What is the effec...
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