阿摩線上測驗
3. The snowball Earth hypothesis provides a possible explanation for the
(A) oxygenation of Earth's seas and atmosphere.
(B) existence of hydrothermal vents on the ocean floor.
(C) diversification of animals start at the Precambrian era.
(D) colonization of land by plants and fungi.
(E) origin of O2-releasing photosynthesis.
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統計： A(3), B(8), C(29), D(0), E(0) #2241842
統計： A(3), B(8), C(29), D(0), E(0) #2241842
