Solve the problem.
-It requires 
cups of concentrate per quart of water to make a certain juice. How many cups are needed to make 
quarts of juice?
Definitions:
Renewable Resources
Resources that can be replenished naturally over time, such as solar and wind energy.
Natural Processes
The naturally occurring events and phenomena that shape the Earth's ecology and environment.
Human Time Scale
A concept referring to time periods relevant to human life and history, contrasting with geological or cosmic scales of time.
Economic Development
The process by which a nation improves the economic, political, and social well-being of its people, often measured by increases in income, education, and health.
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