Which groups ranked as artisans in emerging social hierarchies in early river civilizations? select all that apply. priests

a. merchants

b. weavers

c. priests

d. metalworkers

Options B and D weavers and metalworkers are the right answer.

The skilled craft worker who can make things by hands and his skills, that shows some functions with decoration, are called the Artisans.

People who use metal as a primary source for their furnished goods such as jewelry are called the metalworkers. Whereas, weavers are the people who work on the threads in order to make various type of clothes.  

Therefore, options B and D, metalworkers and weavers are the right answers. Other options, merchants and priests do not make anything skillfully hence, they can not be included in the answer.  

the answer is

geography

this is because warmer climates often don't get people sick from the flu and regions where it was often colder more people received the flu. hope this if you need more reasoning i am here to