The formula for a chemical reaction is given. 2na + 2h2o → 2naoh + h2 which of the following describes this reaction?
a: it is a reaction between two compounds that results in two elements.
b: it is a reaction between two elements that results in two compounds.
c: it is a reaction between two elements that results in a compound and a different element.
d: it is a reaction between a compound and an element that results in a different compound and el
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Ответ:
A. clouds
Clouds are most responsible for reflecting incoming solar heat back to space.