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Solve the problem.
-How many arrangements of answers are possible in a multiple-choice test with 9 questions, each of which has 5 possible answers?
Grasslands
Ecosystems characterized by large open areas of grasses, important for grazing animals and maintaining biodiversity.
Overgrazing
Overgrazing occurs when plants are exposed to intensive grazing for extended periods, leading to land degradation, reduced ground cover, and a decrease in soil fertility.
Urban Sprawl
The uncontrolled expansion of urban areas into the surrounding countryside, often characterized by low-density residential development, increased reliance on vehicles, and the loss of open space and agricultural land.
Toxic Wastes
Hazardous materials that can cause harm to human health and the environment, often produced by industrial activities.
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