Radioactive isotopes of elements can be used in medicine to diagnose and treat disease. Which statement describes how a stable isotope is different from a radioactive isotope of that element? A radioactive isotope has an unstable nucleus that becomes larger over time.
A radioactive isotope has a stable nucleus that absorbs smaller particles.
A radioactive isotope has an unstable nucleus that emits smaller particles.
A radioactive isotope has a stable nucleus containing extra protons.

Explain how the integumentary system plays a crucial role in the ability to maintain homeoestasis

Plz mark brainliest 30 points 1) find the momentum of a 12 kg snowball that is rolling with a velocity of 9 m/s. 2) an 8 ball with a mass of .5 kg is sitting at rest. it is hit by the cue ball (1 kg) traveling at 2.5 m/s. if the cue ball is at rest after the collision, how fast is the 8 ball traveling after the collision? 3) two football players are running toward each other. if the offensive player is 75 kg and is running 8 m/s, how fast must the 60 kg defensive player run in order for the two players to hit and stop?

Areaction in which products can react to re-form reactants is