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 energy is used in submarines (nuclear - powered submarines), ships (nuclear - powered aircraft carriers and some other large ships), and spacecraft (nuclear - powered spacecraft for long - distance space missions). Cars and airplanes generally do not use nuclear energy due to safety, size, and regulatory reasons.

Answer:

submarines, ships, spacecraft