Soil conservation and soil erosien please guys Harry up​

Soli conversation is prevention of loss of top most layer of soil from erosion.

Soil erosion is the loss of top fertile layer of soil either by wind or by water.

  b.

there are isolated pockets of farming, generally around rivers and oases, which are used for irrigation.

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.