Respuesta :
Answer:
Option (b).
Explanation:
Energy producing technologies are important for the formation of energy from the different sources of energy. The energy requirement for the growing population is much faster than the previous population.
The energy must be extracted from the renewable source of energy. New energy producing technologies must be alternative to the non renewable sources of energy. They must be cost effective than the earlier source of energy.
Thus, the correct answer is option (b).
