- Describe the image above. What is happening in the image and why is this happening?
- How is this land being changed? Why is this land being changed?
- How can this image be used as evidence that humans modify their physical environments to grow food?
- Compare this image to Farmer Plowing Sod. Explain which image comes first in the progression of change to the land. Describe what comes next as farmers grow food.
Vachon, John, "Plowed Sod, Grundy County, Iowa," April 1940. Courtesy of Library of Congress