Answer:
The correct answer would be D) solar.
Renewable energy or resources refer to the natural resources which get replenished as fast as they are being used.
They include solar energy, geothermal energy, tidal energy, biomass et cetera.
Non-renewable resources refer to those natural resources which don not get renewed or replenished as fast as they are being used.
For example, coal, petrol, diesel, natural gas, oil, et cetera.
