Which form of energy is primarily derived from plant materials and is considered renewable?

Biomass energy is primarily derived from organic materials, particularly plant materials. This form of energy is considered renewable because plants can be regrown in a relatively short period of time, allowing for the continuous supply of feedstock. Biomass includes a variety of organic materials, such as wood, agricultural crops, and waste, which can be converted into fuels, electricity, or heat through processes like combustion or fermentation.

The renewable nature of biomass arises from the fact that photosynthesis enables plants to capture solar energy, and as these plants grow, they absorb carbon dioxide from the atmosphere. When biomass is converted into energy, it typically releases carbon dioxide, but this is balanced by the carbon dioxide absorbed during the plants' growth cycle, making it a more sustainable option compared to fossil fuels.

In contrast, natural gas is a fossil fuel formed over millions of years from the decomposition of organic material and is non-renewable due to its finite supply. Hydroelectric power relies on flowing water to generate electricity and, while renewable, does not derive from plant materials. Nuclear energy is generated from the fission of uranium or other nuclear materials, which are also non-renewable resources. Thus, biomass energy stands out as the renewable energy source primarily linked to plant materials