What is a difference between renewable resources and nonrenewable resources?

Renewable resources, such as sunlight and wind, are naturally replenished, while nonrenewable resources, such as coal and oil, take a very long time to form and can be used up. So the best choice is “Renewable resources will always be available, while nonrenewable resources can be used up.” Renewable resources can still be depleted if they are used faster than they are replenished, so “always available” is not literally guaranteed.

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