What forms of technology are scientists using to study El Nino

In an oxidation-reduction reaction, oxidation is what happens when a reactant

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If 34.2 grams of lithium react with excess water, how many liters of hydrogen gas can be produced at 299 kelvin and 1.21 atmospheres? 2 li (s) + 2 h2o (l) yields 2 lioh (aq) + h2 (g)