問題詳情

47. Which of the following could be an outcome of a geomagnetic storm?
(A) northern lights and southern lights
(B) a coronal mass ejection
(C) the earth’s magnetic field
(D) charged particles from the sun

參考答案

答案:A
難度:適中0.5
統計:A(0),B(0),C(0),D(0),E(0)

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