Why would democracy suffer if citizens didnt participate

Why is it useful for historians to base certain studies on the analysis of historical periods

What city of ancient russia was heavily influenced by the byzantine merchants?

What is the evidence that depression can be linked to genetic as well as environmental factors? a. all individuals in similar stressful environments do not experience depression. b. all individuals with the gene variation tied to depression do not experience depression. c. individuals with a combination of environmental stress and gene variation are more likely to experience depression d. all of the above select the best answer from the choices provided оа 0 0 0