First Agricultural Rev.- apx. 10,000 years ago?, humans figured out how to plant seeds, agriculture began, has many hearths, allowed humans to settle, started S1 of DTM, China, India, Peru, Mexico, Middle East (animals first domesticated)
2nd Agri. Rev.- occured in 1750s-1850s,
3rd Agri. Rev.- 1950s to present, GMOs, synthetic fertilizers, pesticides
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