Can someone help me with my edge unity classes?

How do you think langley employees reconcile the difference between the work they do that is innovative and advances humankind with the work they do that destroys it?

What does the term fiend not mean as it is used in the passage? a) beast b) brute c) fanatic d) savage

Stress generally occurs when someone? a.becomes overconfident b.disregards others c.feels overwhelmed