When did agriculture begin in Africa

 5200 BC

Explanation:

The first agriculture in Africa began in the heart of the Sahara Desert, which in 5200 BC was far more moist and densely populated than today. Several native species were domesticated, most importantly pearl millet, sorghum and cowpeas, which spread through West Africa and the Sahel

the earthquake in haiti was a magnitude of 7.0 according to the u.s geological survey yet the smaller earthquake in haiti killed more than 200,000 and left more than 1.2 million people homeless. the chile earthquake was a magnitude of 8.8 and 500 times more stronger but chile's earthquake only injured 712 people.