All of the following are common examples of alternative energy sources except power.
a.
hydroelectric
b.
nuclear
c.
solar
d.
wind

(B) Nuclear

Explanation:

The alternative energy is the type of the energy sources which is alternative to the fossil fuels. The alternative energy resources are get change over the time or we can say that the energy used by the sources over the time.

The alternative energy are mainly concern about the fossil fuels like it is one of the high CO2 (Carbon dioxide) emissions and it is also one of the essential factor in the global warming.

All the given options like hydroelectric, solar energy and the wind energy are the examples of the alternative energy source except nuclear power. Therefore, Option (B) is correct.