Do you guys mind answering his for me? :)

In the von thunen model of agricultural land use, what is produced closest to the city epicenter? a. dairy, vegetables, and fruits b. field crops, such as corn and wheat c. beef and other animal products d. wood and lumber

Describe the four major spheres of the earth system; identify the parts of the earth they each represent. explain what is meant by the "earth system."

What is the thickest layer of earth called?