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nasty-shy [4]
3 years ago
7

Half of the polar bears in a small population die. This population may experience changes due to what

Biology
1 answer:
Olin [163]3 years ago
6 0
Declone numbdr of polar bear
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Compare and contrast mineral resources and mineral reserves
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Mineral resources are a concentration of minerals in Earth's crust that can be extracted and processed now or in the future, and including unidentified sources. Mineral reserves are those that are identified and can be mined profitably under current economic conditions with current technology. Both are potentially valuable, and for which reasonable prospects exist for eventual economic extraction

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