<span>If two metals both have the same color, have similar densities, and are about the same size, but one is shiny and the other is dull, they can be separated based on the lustrous physical property of a metal. Lustrous is the property of the metal to shine/gleam gently because of its particle arrangement of atoms. </span>
A.meter is the is the answer to the problem you and and if you need to know why then type back
A kilogram of bricks has more inertia. This is because objects with a higher mass, have more inertia.
Measure how much water has gone in, so you know the concentration.