Exam 4: Energy and the Future

The normal lifetime of a nuclear power reactor is

The renewable energy source that seems to have the most worldwide potential is

The proportion of the world's electricity that comes from nuclear energy is about

At present, the source of most electricity from moving water is

Arrange these fuels in increasing order of energy given off per gram when they are burned. 1.gasoline 2)hydrogen 3)coal 4)ethanol

The world's fastest-growing source of clean energy is

The two countries together responsible for about 40 percent of the world's carbon dioxide emissions are

After electricity generation and heating, the next most important source of greenhouse gas emissions is

Which statement does not apply to nuclear fusion?

Which of these statements is not true for oil from tar sands?

Of these sources, which is responsible for the most energy today?

In the United States, the lowest cost per unit of electrical output in the immediate future would come from using which of these energy sources?

The renewable energy source that requires the most area for a given power output is

A projection to 2083 suggests that 10 billion might then be the population of

Since 1900 the world's population has increased by

Seventy percent of the world's oil production is used for

The fossil fuel least polluting to burn is

Of the following energy sources, the one most likely to run out of reserves first is

The proportion of the world's electricity that comes from wind turbines is roughly

In a good wind, a modern large wind turbine might have a power output of