Question

nuclear energy is currently used in which three kinds of vehicles?
cars, submarines, spacecraft
submarines, ships, spacecraft
spacecraft, airplanes, cars
airplanes, submarines, ships

Explanation:

Nuclear - powered submarines and ships have been in use for a long time due to the long - lasting energy source it provides. Some spacecraft also use nuclear power sources like radioisotope thermoelectric generators. Cars and airplanes do not commonly use nuclear energy due to safety and other operational concerns.

Answer:

B. submarines, ships, spacecraft