| A | B |
| When the Industrial Revolution began. | Mid 1700's |
| The major shift that occurs during this time. | Energy sources moved from animal muscle and running water to fossil fuels. |
| The move to fossil fuels changed society by.... | Greatly increasing efficiency of agriculture, industry, and transportation. |
| (A Change brought about) The large-scale production of goods in factories became..... | less expensive than the local production of goods. |
| (A Change brought about) Machinery reduced the amount of land and human labor needed..... | for farming. |
| (A Change brought about) As fewer people grew their own food, populations in urban areas...... | steadily grew. |
| (A Change brought about) Fossil fuels and motorized vehicles allowed food and other goods to be transported...... | cheaply across great distances. |
| Some positive changes for human societies. | Sanitation, nutrition, and medical care improved. |
| Many environmental problems today are associated with.... | The Industrial Revolution. |
| One difference is the wide-spread use of artificial substances instead of.... | animal and plant products |