_____ are segments of DNA located on _____

Children in developed countries are healthier, and rates of both major and minor illnesses have decreased. Which policy has helped decrease the rates of minor illnesses in developed countries?

a. mandatory vaccinations for all children b. free prenatal screenings for pregnant women c. regulation of food production and content d. government regulation of banks and loans.

According to behaviorist principles, what would be a technique useful for overcoming phobias?

A) Generalization B) Introspection C) Psychoanalytic therapy D) Systematic desensitization E) Communication