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Answer:
The rate changes over time because once the molecules reaches equilibrium diffusion slows down.
Explanation:
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Answer: if two morphological distinct organisms from two distinct geographical areas, can mate & reproduce successfully, then they must belong to the same species
Explanation:
material culture includes all of the physical objects that people create and give meaning to. Cars, clothing, schools, computers, and books would be examples. An object only becomes part of culture after meaning have been given to it. A rock in a field has no meaning until it is used as a tool or to build a fence.