Answer:
A. sun_β_ solar panel _β_toaster.
B. sun_β_ air_β_ wind turbine_ β_ toaster.
C. sun_ β_water_β_ dam_ β_toaster.
D. sun_β_ corn_ β_ethanol plant_β_ toaster
Explanation:
The toaster could get its energy from electricity produced from solar radiation by solar panel. It also get energy when the wind turbine moves by the air and energy is generated in the form of electricity. Water that falls on the turbine in dams generated electricity which is used by the toaster. Ethanol which is produced from the corn plant is also used to generate electricity that is used by the toaster.