Ethics in photojournalism means showing what two traits?

From time to time when I read about Street Photography, I hear the opinion that street photographers exploit people on the street by taking their picture without asking. This opinion raises some valid questions about the ethics of Street Photography, but also shows the double standards we follow in the media.

a free throw is worth 3 points

the answer would be (b). the stave church in borgund, norway is an example of norse architecture.