What is 68+68=

help please

How did the life of sharecroppers affect their children? children went to school because the farms were small, with little work, children had to work on the farm, so they rarely went to school children learned skilled professions as they worked around the farm. children left home when they became adults because the land wasn't theirs.

Which was the cause of the rise of the persian empire?

Match each model with its name and the name of the scientist who created it.