About 70% of diamonds used as abrasives are artificial. Indicate whether the statement is true or false


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Environmental & Atmospheric Sciences

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The 2014 Ebola outbreak in Africa caused problems with food security because

A) the virus is transmitted by contaminated vegetables. B) the virus is transmitted from poultry and livestock to humans. C) the quarantine of infected areas brought farm labor shortages, food hoarding, and high prices. D) the parasites causing the disease are transmitted by mosquitoes commonly found in rural farming areas.

Environmental & Atmospheric Sciences

What is the molar mass of CuSO4ยท5H2O?

A) 90.0 g/mol B) 177.6 g/mol C) 159.6 g/mol D) 249.6 g/mol

Environmental & Atmospheric Sciences

When will the majority of consumers be less willing to buy products with harmful environmental impacts?

A. when the environmental costs are included in the product pricing B. when the shipping costs are included in the product pricing C. when the storage costs are included in the product pricing D. when the advertising costs are included in the product pricing

Environmental & Atmospheric Sciences

What is a key source of ions found in ocean water?

A) The ions are produced in the process of evaporation of ocean water. B) The ions originate from marine organisms that have decomposed on the bottom of the ocean. C) The ions originate from salts contained in rainwater. D) The ions originate from the weathering of rocks on land.

Environmental & Atmospheric Sciences