According to Kohlberg, preconventional morality is the level in which people use moral principles, which are seen as broader than those of any particular society

The family stress model illustrates that

poverty itself is quite harmful to children. a high income can overcome the effects of stress. the parents' reaction to poverty is the crucial factor in family stress. children in most low-income families have inadequate food and clothing, causing stress to their parents.

The idea that the earth revolves around the sun is associated with:

(a) Copernicus (b) Watson & Crick (c) Celsius (d) Darwin (e) Mendel