What do testes and ovaries produce to develop male and female characteristics?

When children are young and go to the doctor, the doctor will give them booster shots. this re-exposes the children to a dead portion of a disease to them build immunity.

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

1. evaluate your personal strengths. what activities and skills are you particularly good at? what do you think self-esteem is? why is having positive self-esteem important? how do the strengths you identified for yourself relate to your self-esteem? (5 points)