Which type of evidence is not permitted to be shipped by mail to a crime lab?

strands of fiber, stained with blood

a shirt that showed signs of gunshot reside

a bomb a suspect intended to use in a crime

blood samples intended to be analyzed for dna comparisons

Suppose that recording station n is located 200 km north of the epicenter of an earthquake, and recording station s is located 100 km south of the epicenter of the same earthquake. which of the following statements would be true?

Often called simply "velocity," this is the velocity of an object at a particular moment in time.

Arailroad car collides with and sticks to an identical railroad car that is initially at rest. after the collision, the total kinetic energy of the two cars is a) the same as before. b) half as much as before. c) one third as much as before. d) one fourth as much as before. e) twice as much as before.