Briefly describe how the epicenter of an earthquake is located?

It is located at the point where circles intersect on a map.

answer; ///i believe the correct answer is (aids) acquired immune deficiency syndrome;

the cladogram shown here shows similarities and differences among several classes of vertebrates. anatomically, the four have limb structure as their common ancestor. we might separate the mammals from the other three classes because they a) divergent; do not lay eggs b) identical; are warm-blooded c) varied; a four chambered heart d) homologous; have mammary glands