Final answer:
Renewable energy refers to sources of energy that are naturally replenished and do not deplete over time. They are sustainable and have minimal environmental impact.
Step-by-step explanation:
Renewable energy refers to sources of energy that are naturally replenished and do not deplete over time. These sources are typically found in nature, such as sunlight, wind, water, and geothermal heat. They are considered sustainable because they have minimal impact on the environment and can be used indefinitely.
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