Question

According to scientists, what is one of the biggest threats to a manned Mars
mission?

Answer 1

In fact, a number of scientists say that of all things boredom is one of the biggest threats to a manned Mars mission, despite the thrill inherent in visiting another planet. And so, attention is being paid to the effects of boredom at HI-SEAS, and on the International Space Station.

Step-by-step explanation:

Answer 2

BOREDOM is one of the biggest threats to a manned mars mission, despite of the thrill inherent in visiting others planet