Which is not a reason why few early south american peoples created large scale civilizations?

a)it is hard to unite people separated by dense forests b)the landscape of the continent is very rugged c)there are very few resources on the continent d) people lived great distances apart from one another

What would be the most relevant question to ask to find out why tutankhamen died? what was tutankhamen’s age when he died? was a doctor with tutankhamen at his death? why was tutankhamen mummified after his death? did tutankhamen’s body have evidence of disease?

Identify the example of when situation and time are key to assessing risk of harm in a research study: a study on the efficacy of a behavioral intervention for smoking cessation involves both adults and teenagersasking women if they have had an abortionresearch on the prevalence of hiv-infected individuals in communitiesa survey about sexually transmitted diseases

How has our understanding of the first sentence of the declaration of independence changed over time?