A ball rolling down an incline has its maximum potential energy at? A) the bottom.
B) halfway down .
C) a quarter of the way down.
D) the top

The were examples of police  brutality  and prideful people. police brutality because they could have acted differently. and prideful people because even if you are treated wrong you should still humble your self to the law that is before you.

Sonar is an application of the doppler effect used by submarines.  this test was on k12.

No, because you are more likely to see volcanic mountains where magma is rising along the mid-ocean ridge spreading to the center.