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Mercedes Castro and Carmen Martinez, both seniors at Harvest Preparatory Academy in Yuma, represented Arizona at the International Science and Engineering Fair held in Columbus, Ohio. The duo created ...
Mercedes Castro and Carmen Martinez, both seniors at Harvest Preparatory Academy in Yuma, represented Arizona at the International Science and Engineering Fair held in Columbus, Ohio. The duo created ...
Rachel Cleetus, senior policy director with the climate and energy program at the Union of Concerned Scientists, on how the ...
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