The answer is; C
The radioisotopes in the interior of the earth are not in pure form and have many embedded impurities and are interspersed. Therefore when a neutron is released by a decaying atom, its chances of hitting another radioisotope atom (to continue the chain reaction) are lower than in a manmade nuclear reactor. This way, the radioactive chain reaction in the earth’s interior is not well sustained.
Answer:
An engine that creates ignites fuel with highly compressed air.
It is called a watt and or wattage
I believe that it most likely would be D.
First read the introduction.
Seconds look at the pictures how to build it.
