Why do EVAs present unique challenges?

The harsh environment of space challenges human survival. A lack of oxygen and atmospheric pressure, intense radiation, and the lack of gravity confront humans in space. The metals and machines of our space vehicles ensure some safety, but a human outside the protection of a spacecraft bears the brunt of the danger.

Explanation:

b. they tried to evict the squatters from the area.

so sorry if wrong

sitting in that one chair where he could get shot at was his worst decision.