From what I know; When a sample of liquid water vaporizes into water vapor, the electrons in the water sped up due to heat.
Answer:
Push and pull both are forces , but the difference is in their direction at which it is applied . If the force applied in the direction of motion of the particle then we call it as push . If that force applied in the direction OPPOSITE to the motion of particle then it is termed as pull
2.5 kg because you cant change the weight of the rock
The use of drugs to treat disease is called medication
