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Endangered elements, critical raw materials and conflict minerals.

Rhodes, Christopher J;

2019 Science progress DOI: 10.1177/003685041988... 521 views

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produção hidropônica de alface cv. verônica em diferentes substratos yield response of hydroponic lettuce grown on three different substrates

;Helton L. Tavares;Ana Maria R. Junqueira

1999 research on biomedical engineering DOI: 10.1590/S0102-053619... 142 views

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Science progress

ISSN: 2047-7163 536 views

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indium renewable energy circular economy phosphorus freshwater solar fracking renewables sand mining civilization sand permaculture earth stewardship earth-abundant materials endangered elements energy return on investment conflict minerals conflict resources critical raw materials fossil fuels