Select the option that can be used as a one-word substitute for the given group of words.A person who physically travels in space.
- AAnarchist
- BPilot
- CAstrologer
- DAstronaut
Solution & Step-by-step Explanation
Let's check the meanings of the given words:Astronaut: A person who is trained to travel in a spacecraft and physically journey into space.Anarchist: A person who rebels against any authority, established order, or ruling power.Pilot: A person who operates the flying controls of an aircraft.Astrologer: A person who uses astrology to tell fortunes or interpret planetary influences on human situations.Thus, "Astronaut" is the correct one-word substitute.