B. 82 :) hope this helps xx
Answer:
Explanation:
- thomas edison electric lightbulb - allows factory workers to work after dark
- james watts steam engine - provided affordable power for factories,
trains, and ships
- eli whitney cotton gin - provided an efficient way to process cotton
to use in the growing textile industry
- henry bessermers bessermer process - provided an economical way to convert iron into steel to produce machinery for trains and factories
- louis pasteurs pasteurization process - provided a way to keep food products safer longer and reduce health risks