Which one of the following is not considered a part of a forensic scientist's job?

What are atoms of the same element with varying number of neutrons

Atriangle with equal sides of length 10 cm has -2.5-nc charged objects at each corner. part a determine the direction of the electrical force exerted on the object at the top corner due to the two objects at the horizontal base of the triangle. determine the direction of the electrical force exerted on the object at the top corner due to the two objects at the horizontal base of the triangle. horizontally rightward vertically downward vertically upward horizontally leftward

Achild has maximum walking speed of 1.6 m/s. what is the length of the child's legs? 0.26 m