What are the similarities between the black plague and coronavirus

Prices for products became more affordable as a result of new forms of ,witch got things to market faster and cheaper

Restricting immigrants from entering a country may be based on what belief?  

Suppose that sociologists and cultural anthropologists are tying to measure the amount of child abuse for cross cultural comparison. they run into disagreement over whether spanking a child is abuse or discipline. what problem are they encountering in their research? a. reliability of the definition of abuse. b. validity of the definition of abuse. c. occam's razor about the definition of abuse. d. none of these.