Modern Agriculture: Changing Landscapes Answers

Analyze the image below and answer the question that follows. The arrows in the image above show cause and effect. Which of the models depicts an accurate cause-and-effect relationship?

Which of the following statements about topsoil is false?

Overgrazing, overfarming, and the diversion of water for irrigation are significant causes of __________.

Analyze the map below and answer the question that follows. Image courtesy of the USDA Part of China is circled in black on the map above. Based on the map key, why is southeastern China not at risk of desertification?

High erosion rates in Madagascar are caused primarily by __________.

Which of the following situations is not an example of natural erosion?

Which of the following statements best describes what is occurring in the land surrounding the Sahara Desert?

Most of the eastern United States is humid. How does the humidity on the East Coast prevent desertification?

Foreign logging companies have increased operations in eastern Russia because they are able to use cheaper labor and reduce costs. Several animals’ habitats are threatened by this activity. Which of the following is a negative result of this deforestation?

One of the results of the 2010 Gulf of Mexico oil spill is the threat to various species in the gulf’s ecosystem; it disturbed and, in some cases, forever altered the __________ of the Gulf Coast.