Commercial production of which of the following energy sources became practical only after large amounts of investment by the United States and other countries over the past half century?
A) coal
B) nuclear
C) solar
D) wind

Question

Quizplus · Accepted Answer

Nuclear energy requires large amounts of investment in infrastructure, such as power plants and nuclear waste disposal facilities, which can only be provided by governments and corporations with significant financial resources. The United States and other countries have invested heavily in nuclear energy over the past half century to make it a practical source of commercial energy. Coal has been a widely used energy source for centuries and requires less investment in infrastructure than nuclear energy, while solar and wind energy have become more practical due to advances in technology but still require significant investments in infrastructure.

Commercial Production of Which of the Following Energy Sources Became