A change in position over a certain amount of time
Answer:
Protons are positively charged. The mass is slightly lower than a neutron.The location of a proton is nucleus. The the role of a proton is to help bind the nucleus together.
Explanation:
Answer:
Fractional distillation
Explanation:
A method for separating a liquid from a mixture of two or more liquids. ... This method works because the liquids in the mixture have different boiling points. When the mixture is heated, one liquid evaporates before the other.