Answer:
Opportunity cost is the comparison of one economic choice to the next best choice. Or the choice not been made.
EX:
You choose Coke over Fanta. The opportunity cost is the Fanta because you didn't choose it
Answer:
I think German healthcare workers resumed the T4 program becuase it is cruel to keep people alive who cant tell you they want to be alive, it is like keeping dogs alive who are in immense pain and are unable to be cured.
Explanation:
You need to give us the text
Something unpleasant or dreadful is happening or being observed (/sensed (such as smell))