問題詳情
5.How do botanists know that root pressure is not the only force that moves water in plants?
(A)Some very tall trees have weak root pressure.
(B)Root pressures decrease in winter.
(C)Plants can live after their roots die.
(D)Water in a plant's roots is not connected to water in its stem.
(A)Some very tall trees have weak root pressure.
(B)Root pressures decrease in winter.
(C)Plants can live after their roots die.
(D)Water in a plant's roots is not connected to water in its stem.
參考答案
答案：A
難度：非常困難0
統計：A(0),B(0),C(0),D(0),E(0)
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