Why Is Nuclear Fusion Not Currently a Viable Power Source

question 49

Multiple Choice

Why is nuclear fusion not currently a viable power source?

• A)The temperatures required to sustain the reactions are too high.
• B)The fuels are very scarce.
• C)Fusion is not possible on Earth.
• D)The amount of energy that is put into the machine is too low to produce fusion.
• E)none of the above

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Definitions:

Neural Tube

The hollow, longitudinal structure in the early vertebrate embryo that gives rise to the brain and spinal cord. The neural tube forms from the neural plate, a flattened, thickened region of the ectoderm that rolls up and sinks below the surface.

Neural Plate

The flat layer of embryonic ectodermal cells that develops into the nervous system, including the brain and spinal cord.

Neural Fold

Embryonic structure that folds to form the neural tube, which later develops into the central nervous system in vertebrates.

Thalamus

The part of the vertebrate brain that serves as a main relay center, transmitting information between the spinal cord and the cerebrum.