Which statement best describes renewable energy sources?

Renewable energy sources are characterized by their ability to be replenished naturally over time. This means that unlike fossil fuels, which take millions of years to form and can be depleted once used, renewable energy sources such as solar, wind, hydro, and biomass can regenerate as they rely on natural processes. For example, sunlight is consistently available, and wind patterns are created by the sun's heat, ensuring that these resources can continue to be harnessed without the same risk of depletion associated with non-renewable sources.

While some renewable energy sources may be affected by weather conditions—such as solar energy being less efficient on cloudy days—the fundamental aspect defining them is their capacity for natural replenishment. This contrasts with the other statements, which mischaracterize renewable energy by implying limitations or misattributions to fossil fuels.