Why did europeans call the bubonic plague the black death? because that is what the chinese called it because of the black boils that developed on the skin of infected individuals because the plague brought much destruction to europe because the disease was spread by black rats

because of the black boils that developed on the skin of infected individuals

a polymer is a chainlike molecule made up of small molecular units. these small molecular units are called monomers. monomers of polymer can be joined together either naturally or synthetically.  

make   gliitsh plesea   !