All of the following are examples of alternative energy sources except - biofuels - natural gas - solar power - hydroelectricity

The correct answer is B) natural gas.

All of the following are examples of alternative energy sources except natural gas.

Biofuels, natural gas, solar power, and hydroelectricity are examples of alternative energy sources.

Natural gas is fossil fuel, not an altenative energy sources. There is plenty of natural gas reserves in the United States- Indeed it is exported to other countries such as Mexico.

Biofuels are produced by biomass, that is matter derived from animals and plants. Is a good source of alternative energy with solar energy and hydroelectricity, that help to take care of the environment.

explanation:

these are the geographical features of the gupta empire.

1)it inherited the land owned by the mauryan empire.

2)one obvious difference between the two empires is that the gupta empire was smaller that the mauryan.

3)the gupta empire is located in the northern region of the subcontinent underneath the himalayan and hindu kush mountains.

the gupta empire, marked by extensive inventions and discoveries that contributed to hindu culture, in subjects such as science, technology, engineering, art, dialectic, literature, logic, mathematics, astronomy, religion, and philosophy.

this period was also known as the golden age of india