What negative social implications might early sexual intercourse have for teens?

Which shows a correct order of steps in the scientific method? develop a hypothesis, analyze data, draw conclusions, make observations develop a hypothesis, analyze data, make observations, draw conclusions make observations, develop a hypothesis, analyze data, draw conclusions make observations, draw conclusions, develop a hypothesis, analyze data.

True or false mucous membranes destroy pathogens on the outer body surface, at body openings.

Which of these is likely to be the best source of valid health information?