PLS HELP, NO IDEA WHAT IT MEANS What type of reaction will occur when sodium carbonate is added to the pool water to return its pH to the normal range, and what are the typical products of this type of reaction? (4 points)

An electrolysis reaction, if the salt is added to the water then it just dissolves. When electricity is run through it, it creates chlorine gas as well as NaOH and hydrogen gas.

Explanation:

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if the type of the food available changes, then the frequency of beak types will change, because birds with beaks more suited to the available food will be more successful over time.