Sodium metal reacts with oxygen to produce solid sodium oxide. What is the correct chemical equation for this reaction? *

- both b and d.

-since b and d are the closest coastlines then that makes it the most affected.

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the mantle

explanation:

earth is divided into three layers: the crust or the outermost layer on which we live; the underlying, middle layer - the mantle - and the core (the innermost layer of earth).