Answer:
The correct answer is option B) "Normal vaginal pH is acidic (4 to 5), which protects from infection".
Explanation:
Vaginal flora, or vaginal microbiota, is defined as the group of microorganisms that a healthy vagina normally has. At normal conditions, vaginal pH is acidic, which functions as a protective mechanisms because vaginal flora prosper at this condition and avoids unwanted bacteria to growth. A pH above 5, is an non healthy environment and could cause vaginal infections such as bacterial vaginosis.
Explanation:
human are able to move very rapidly around the world because of good atmosphere if there is more powerful population
Using Red Litmus Paper. Red litmus paper is dipped into a solution to establish whether a substance is acidic or alkaline. In an acidic or neutral solution, red litmus paper remains red. ... When an alkaline compound dissolves in water, it produces hydroxide ions, which cause the solution to become alkaline.
