Which of the following is defined as the branch of psychology that is concerned with establishing the principles of right and wrong behavior

answer; i believe the correct answer is (a)0

blue stars have the highest surface temp

stellar distances are usually expressed in light-years

the measure of a star's brightness is called magnitude

hope this !

there are so many examples for that in different areas, like biology experiment carried out in our lab recently.

here's one link:

50% lit on the left side