Europe

Europe Economy: Europe was the first of the major world regions to develop a modern economy based on commercial agriculture, industrial development, and ...

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Minerals for sale from Africa: Nigeria, South Africa ...

Gems and minerals from classic localities in African countries including Tsumeb, Morocco, Nigeria, Namibia, Egypt, and more. High quality photographs and ...

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Carbonatite

Carbonatite (/ k ɑːr ˈ b ɒ n ə t aɪ t /) is a type of intrusive or extrusive igneous rock defined by mineralogic composition consisting of greater ...

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Chapter 3: Fertilizers as water pollutants

"Eutrophiion" is the enrichment of surface waters with plant nutrients. While eutrophiion occurs naturally, it is normally associated with ...

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Natural Sciences Grade 9

Tasks. Skills. Recommendations. Activity: Mining in South Africa. Finding information, presenting information, group work, analysis, synthesis, appliion

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It's All About Color, color history, color elements, crystals and pigments.>

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Xenology

The study of the origin of life, called "abiogenesis" by many researchers in the field, is highly relevant to xenology and xenologists. By determining the ...

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Mechanisms and appliions of plant growth .

Plant growth promoting rhizobacteria are the soil bacteria inhabiting around/on the root surface and are directly or indirectly involved in promoting plant ...

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Utilisation des phosphates naturels pour une agriculture ...

Des recherches approfondies sur le potentiel agronomique et l'efficacité des phosphates naturels (PN) comme source de phosphore ont été effectuées ...

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gemstone

New to gemstones? Or simply curious about all the different varieties of gemstones? Check out our gemstones list and discover a world of precious and semi ...

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Naturally Occurring Radioactive Materials NORM

Naturally Occurring Radioactive material, natural materials contain radioactive elements (radionuclides), known as NORM. The earth's crust is radioactive.

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Excalibur Mineral Corporation

Current List: Each month, we offer an abbreviated selection of minerals from our inventory of over 200,000 samples. If you don't see ...

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Natural Diamond Crystal Jewelry

John Betts Fine Minerals, New York, NY Dealers of Fine Minerals and Natural Crystal Clusters since 1989. Natural Diamond Crystal Jewelry Jewelry ...

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Cominco Resources

Cominco Resources is a private company which is developing the US 2billion Hinda phosphate project loed in The Republic of the Congo. Through its ...

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