Spar
Depleted and Contaminated Soil and Your Food Supply
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On a spring day in 1935, a cloud of black, suffocating dust covered much of Kansas, Oklahoma, and Texas. It wasn't the first of many such dust storms. The simple answer to how this happened is soil erosion. Your readers will explore the incredibly disgusting issue of soil erosion and contamination. They'll learn what can be done in the future to keep our valuable soil safe and intact.
- Forfatter
- Carol Hand
- ISBN
- 9781448884292
- Språk
- Engelsk
- Utgivelsesdato
- 30.12.2012
- Tilgjengelige elektroniske format
- PDF - Adobe DRM
- Les e-boka her
- E-bokleser i mobil/nettbrett
- Lesebrett
- Datamaskin
