Who automatically has custody of the child when two parents are not married by law?

Whic disease reduces bone density and causes the bones to become brittle

Felicia has a respiratory infection and has been coughing up a lot of mucus. she knows this means that her respiratory system is working to restore balance by getting rid of the invasive materials from her lungs. how does this happen?

Is psychology a science? use evidence form the article to explain you answer.