阿摩線上測驗
48 Why aren’t complacent trees good for studying climate history?
(A) Their rings are too narrow.
(B) They are not well-nourished.
(C) They do not reflect genuine climate change.
(D) They are reserved for loggers for good prices.
答案：登入後查看
統計： A(29), B(30), C(139), D(27), E(0) #1237260
統計： A(29), B(30), C(139), D(27), E(0) #1237260
