Which of these was an accomplishment of the Han Dynasty?

the invention of the seismograph
finding a water passage to Europe
the invention of the ballpoint pen
the invention of the abacus

Question

Which of these was an accomplishment of the Han Dynasty?

 the invention of the seismograph
 finding a water passage to Europe
 the invention of the ballpoint pen
 the invention of the abacus

tahuic · Answer

is it A

anonymous · Answer

i dont think so but it was i gues

anonymous · Answer

i cant do anything my conections bad cause of storm

anonymous · Answer

You have a storm where you  live that is no far... WHy des everyone else get storms? ok sorry

tahuic · Answer

The Han dynasty, a time period that saw China's epitome of glory, created some of the greatest accomplishments that have substantially impacted both the world. ... examined these for veracity, given account of the principle behind success