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Sloan [31]
3 years ago
5

What area of the brain associated with attention and concentration is completely myelinated by the time a child is about 5 years

of ag?
Biology
1 answer:
dusya [7]3 years ago
6 0
Corpus callosum is the answer



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Answer and Explanation:

An acid has a pH that is less than 7.  A base has a pH that is greater than 7.  Something that has a pH of 7 is neutral, but since it doesn't seem that the question is asking about neutral, you can ignore that for this problem.

Situation 1:   Base

Situation 2:  Acid

Situation 3:  Acid

Situation 4:  Base

Situation 5:  Acid

Situation 6:  Base

A.  Water directly out of the tap has a pH of 7.2.  When you add carbon dioxide (blow into the water), you get a pH of 5.1.  This means that the addition of carbon dioxide makes water more acidic.

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