From the list below, select the major disadvantages of manned space missions.

Acost
Bdanger
Crisk of human error
Dnegative media coverage e. lack of qualified astronauts

Verified Answer :

From the choices, I believe that the answer is letter B. danger. Even if we train people very well, we can never tell what is in the space that is not our habitat in the first place. It is dangerous for the human especially if faced with unexpected and challenging circumstances.