SUMMARY
Energy advances is just one of the different advances that are happening today. The society is constantly becoming better, and Chapter 4 outlines that. The usage of animals was something the hunters and gatherers used in order to get food. Now a days we use machines that can collect a greater mass of product. The chapter also hits the topic of coal and wood, how they create energy.
ANSWERS TO QUESTIONS
1. In the pre-industrial times the best usage of energy was the usage of animals because they could do more work than manual labor.
2. One inovation from pre- industrial society would be the widmill.
3. Disadvantages of the energy sources was that not everyone can use them. It depended on where you lived.
UNKNOWN QUESTIONS
1. Did we still use animals, after the machinary was in effect?
2. What animals were found easiest to work with?
UNKNOWN VOCAB
Antiquity- Antique
Sedentary- not moving
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