Which fetal development occurs during the second trimester

Which action is characterized of mental illness 1.brushing teeth every hour because ones mouth feels dirty ? 2. forgetting to eat breakfast on a busy day? 3.crying three days over a relationship breakup? 4.feeling embarrassed about going to school after failing in front of friends?

If you know answer will mark brainliest

Which is the name of the pathogenic worm that lives on the muscles of some animals, such as pigs?