What are some ways that benjamin franklin improve life for people in philadelphia

Which statements are true about "evidence"? )observations which answer questions )proof that an idea is true )information for or against an idea )data to draw a conclusion

Four-year-old mosola, who lives in western africa, is short for his age. he often has only one bowl of yams a day to eat. he could be suffering from the condition called:

Na test of the effects of sleep deprivation on problem-solving skills, research participants are allowed to sleep either 4 or 8 hours on each of three consecutive nights. this research is an example of: a)naturalistic observation. b)survey research. c)a case study. d)an experiment. e)correlational research.