uses radioactive materials to create contrast in the body and help form images of the structure and function of organs.

e

explanation:

there is no change in the electric potential energy as it is in rest on both conditions.

falling water hydro = water .. spectcular places these plants are

the chart show the masses and velocities of two colliding objects that stick together after a collision.

according to the law of conservation of momentum, the momentum of the object after the collision is  

answer

1,500

kg • m/s.

that tool is called an altimeter which measures your altitude which can be used to tell which atmosphere you are currently in, including the stratosphere.

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