Bacterial infections experienced by the mother during pregnancy typically have little or no impact on the developing fetus because bacteria cannot cross the placental barrier

Helena is a model child at school who is popular with her peers. She has high standards for herself, but is realistic about attaining them. It is likely that her parents use a(n) __________ model for discipline

a) authoritative b) authoritarian c) permissive d) indulgent

Gender segregation remains quite marked until ________

A) children enter first grade B) children enter middle school C) adolescence D) adulthood