Major producers of cotton include all of the following countries except __________. A. Brazil B. China C. India D. the USA Please select the best answer from the choices provided.
All of the following are potential effects of clearing land except __________. A. less biodiversity B. less arable land C. more CO2 emissions D. more erosion Please select the best answer from the choices provided.
Using complete sentences, explain the impact of large-scale agriculture in the southwestern United States on our water supply.
Responses may vary but should include some or all of the following information: Large-scale agriculture in this area requires irrigation. The irrigation is provided by dams, which divert water from the Colorado River. Silt is no longer carried downstream, and 90% of the river is diverted for irrigation. The lack of water downstream leads to a scarcity of drinking water.
The Koppen Climate Classification System depends mainly on __________. A. rainfall B. native vegetation C. patterns of precipitation D. average daily temperature Please select the best answer from the choices provided.
Using complete sentences, explain why the size of farms increased dramatically after World War II.
Responses may vary but should include some or all of the following information: Many people left farming to work in cities and factories as the economy boomed after World War II. However, the amount of land available for farming remained approximately the same. With more land and fewer farmers, the size of farms grew naturally.
What is the leading cause of water scarcity throughout much of the world? A. climate change B. a decrease in population growth C. the increased diversion of water for irrigation D. the utilization of shifting cultivation Please select the best answer from the choices provided.
Using complete sentences, compare and contrast subsistence agriculture with commercial agriculture.
Responses may vary but should include some or all of the following information: Both subsistence and commercial agriculture focus on producing food for consumption. Subsistence farming provides little more than enough food to sustain the farmer's family, while commercial farming produces cash crops that are sold for a profit. Commercial farms are usually much larger and more specialized than subsistence farms.
Using complete sentences, explain how large-scale agriculture leads to increased atmospheric CO2.
Responses may vary but should include some or all of the following information: Large portions of land are cleared of trees to make room for agriculture. Trees consume more CO2 than agricultural crops, so the level of CO2 in the atmosphere increases.
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