The farmers from the Midwest in the United States are located in the drainage area of the Mississippi River system. The Mississippi River gets all the water from the region into the Gulf of Mexico where it ends its flow. Because for the farming the farmers are using lot of synthetic fertilizers, pesticides, herbicides, and fungicides, they are managing to pollute the water, be it the surface one, or the ground one. All of that polluted water ends up in the Gulf of Mexico.
The pollution affects the marine life very badly, including the fishes, so their numbers drop significantly because they are dying out from the pollution. That will lead to a situation where the fishermen from the Gulf of Mexico will be left without fish for fishing, thus without profit and without an important food source.
GPS stands for Global Positioning System. GPS uses satellites that orbit Earth to send information to GPS receivers that are on the ground. The information helps people determine their location.
A geographic information system (GIS) is a system designed to capture, store, manipulate, analyze, manage, and present all types of geographical data. Attribute data can be generally defined as additional information about each of the spatial features.
Answer:
y = 3/2x + 2.5
Explanation:
You can use the slope equation: 
So: 
Then just plug in the one of the original points to find the y-intercept:

And finally turns into: 
Raised bed Farming
Terraced Farming
Shifted Agriculture
Agriculture required a setting down, overall density of populcation in agricultural areas increased substantially, true food surpluses becames possible, food supple was more regular schedule, greater division of labour.
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