The pH of the digestive juices within the human small intestine is between 7.5 and 8.5. The environment is slightly

(a) basic

(b) acidic

(c) neutral

(d) None of these

Audio Explanation:

(a) pH refers to the relative concentrations of H+ ions in a solution. Low pH values indicate high concentration of H+ ions (acids) and high pH values indicate low concentrations.

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