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Fossils are formed after an animal dies, decomposes, and is covered in sediment. Minerals in ground
Associative Long-Term Potentiation
As some groups do ethnic work, they produce a mythical long-lost heritage, as in this photo of ...
Comparison of compact and spongy bone.
The upper intake manifold, often called a plenum, attaches to the lower intake manifold.
Experiments showing that long- or short-day plants flower in response to night length. Each horizont