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Q8: Double-breasting is a practice employed by a
Q26: Whose original concept of inheritance did Lysenko's
Q28: Within thirty days after the regional director
Q51: Both the presence of banded iron formations
Q67: Of the three major classes of mollusks,gastropods
Q78: Besides the origin of life itself,what was
Q80: A.africanus appeared about 3.0 million years ago
Q80: The oldest fossils of the first vascular
Q87: Between 1.3 and 1.0 billion years ago,the
Q95: Mammals that produce an unprotected embryo that