During which trimester of a woman's pregnancy do the toenails, lips, and eyelashes of the fetus usually appear? O A. First trimester
O B. Fourth trimester
O C. Second trimester
O D. Third trimester ​

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Explanation: Second Trimester: The Baby at 20 Weeks

Your baby is covered by fine, feathery hair called lanugo and a waxy protective coating called vernix. Eyebrows, eyelashes, fingernails, and toenails have formed. Your baby can even scratch itself. Your baby can hear and swallow.

poor water quality affects most estuarine organisms, including commercially important fish and shellfish. the pollutants that have the greatest impact on the health of estuaries include toxic substances like chemicals and heavy metals, nutrient pollution (or eutrophication), and pathogens such as bacteria or viruses.