Given the results of the gold foil experiment, how do you think an actual atom differs from Thomson's model?

Scientist believe that earths core is around 6000°c where does this heat come from

Rah is completing a school project on the expansion of fast food restaurants across the united states. she finds a map that shows a clear pattern of restaurants beginning in the east and expanding west. this map was most likely created using the technology of

All of the following occurred due to the invention of the railroad except