An altruism is when someone <span>does something for the well-being of other people (D)
An example of an altruism would be donating to a charity, buying a homeless person lunch, or giving someone good advice. Many cultures and religion have altruism as their main core.
Hope that helps!
-Chris</span>
You can use the (Unique) constraint to compare one column against another column. Hope I got it right.
The answer to this question is " -patient "