If you eat something, either shock or nausea would be equally effective in teaching you to avoid that taste

In the United States, what are the laws governing the number of embryos that can be implanted in a mother through in-vitro fertilization?

A maximum of two embryos may be implanted. A maximum of four embryos may be implanted. A maximum of six embryos may be implanted. There is no limit to the number of embryos that may be implanted.

Cross-cultural research revealed that the most altruistic children come from societies in which ________

a. children's work makes a genuine contribution to the well-being of the family. b. parents encourage children toward individual achievement. c. parents want their children to be leaders and to be self-fulfilled. d. children are expected to spend their time playing rather than working.