I believe its 1869
fun fact on the inventions timeline coca-cola was intruduced 8 May 1886 :P
The correct answer would be B .<span>Do larger objects fall faster than smaller objects</span>
The correct answer is <span>c. transported groundwater from a distance
It wasn't the first known use of wells as wells older than them were found in places like Cyprus and Egypt and Austria who were as old as 6000-8000 years before common era. It also wasn't a postindustrial system as it was used in ancient china in the expansion of trading during the silk road trading era. It only leaves C as the correct answer.</span>