Vocabulary
, natural resources, coal, uranium, nuclear energy, fossil fuels, renewable resources, nonrenewable resources, electricity, radioactive, alternative energy, windmills, solar power, hydroelectricity, geothermal, biofuels, pollution, oil, natural gas, fissile materials, natural resources, nonrenewable resources, renewable resources, fossil fuels, natural resources, coal, uranium, nuclear energy, fossil fuels, renewable resources, nonrenewable resources, electricity, radioactive, alternative energy, windmills, solar power, hydroelectricity, geothermal, biofuels, pollution, oil, natural gas, fissile materials, natural resources, nonrenewable resources, renewable resources, fossil fuels, natural resources, nonrenewable resources, renewable resources, fossil fuels