Answer:
A. sun_→_ solar panel _→_toaster.
B. sun_→_ air_→_ wind turbine_ →_ toaster.
C. sun_ →_water_→_ dam_ →_toaster.
D. sun_→_ corn_ →_ethanol plant_→_ 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.