Me with my quiz, giving brainliest 1. what is soil erosion? 2. list two specific techniques/lessons the farmers since the dust bowl have learned about how to prevent the loss of topsoil 3. there are three natural agents of erosion. list to agents of erosion. 4. day of the black blizzard describe in a short paragraph, one part of the story that you could picture in your mind, or that made a deep impression on you.

1. Soil erosion is the loss of the natural layer of soil that normally lies between the rock substrate and the vegetation. This soil erosion is normally, though not necessarily, the result of man's interference with nature (e.g. following excessive deforestation).

2a. The extensive planting of trees, native trees such as red cedar and green ash, that provided windbreaks all the way from the Canadian border to Texas.

2b. Farming techniques such as strip cropping, terracing, crop rotation, contour ploughing, and cover crops were advocated in order to conserve topsoil.

3. a) Wind b) Water - rivers

4. There are great clouds of dust which penetrate every small room, every cupboard and make every source of water a rusty red. My spittle has gone a rusty red too. It hasn't rained for months and everything is so dry. The fields have become unserviceable as great gullies have developed where previously we had almost broken our backs ploughing the ground and seeding it, all for nothing! Dry soil is piled up like sand dunes against our boundary fences. President Franklin Roosevelt says he's going to help; the help better come fast or else we are going to starve.

Centriole.centrioles are present in animal cells but are usually absent in plant cells.

Many archeologists and anthropologists disagree with dr. thorne's view.  thorne strongly believes that what many calls "homo erectus"  was in fact  homo sapiens,  and that they migrated out of africa almost 2 million years ago and dispersed throughout europe and asia. that's way different  from what scientists have always believed about the evolution of the species.