Examlex
The most reactive nonmetallic element is _____.This element has been shown to form compounds with every other element except He and Ne.
Developmental Biology
The study of the process by which organisms grow and develop, focusing on the genetic control of cell growth, differentiation, and "morphogenesis".
Different Animals
Different animals refer to the vast diversity of animal species that exhibit distinct physical and behavioral characteristics.
Continental Drift
The gradual movement of continents across the Earth's surface through geological time.
Fossils
Preserved remains, impressions, or traces of organisms from the past, typically found in sedimentary rock, that provide evidence of life in Earth's history.
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