Answer: Sunlight is considered as a renewable source because it is abundant in nature.
Explanation: Renewable sources are defined as the sources which can be used repeatedly and occurs naturally. Examples of renewable sources are solar, wind, water, biomass, and geothermal.
Sunlight is considered as a renewable source because it is naturally occurring and is present in abundance in the nature. It is the known as solar energy.
Hence, the correct option is It is abundant.