How did medieval farmers deal with the problem of soil exhaustion

Analyze the changes and continuities in commerce in the indian ocean region from 650 c.e. to 1750 c.e. continuity and change-over-time essay:

Is karma the same as destiny, in the sense that everything that happens to you is predetermined? do you believe that "what goes around comes around," and if so is this the same as karma? does everyone get what they deserve, in the end?

Me i really need 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