Answer:
Explanation:
The physical methods of separating mixtures are used in sorting a mixture of substances.
It requires no chemical changes occurring between their components and parts in any significant way.
Examples are:
- Decantation
- Filtration
- Sublimation
- Magnetism
- Centrifugation
The methods simply relies on the physical properties of matter.
It is always the same as it was before the collision because there is no outside forces it is left with the same amount of energy throughout thee collision.
D. radioactive isotopes are one of the environmental waste products of nuclear energy.