Answer:your Answer should be in all that is highlighted
Explanation:
Because it is important to know the composition of the object
Density is the ratio of the mass of a sample to the volume occupied by that mass, and expresses how much mass there is per unit volume of a given portion of matter. Density is a physical property of extreme importance in the characterization, identification and use of substances or materials.
Answer:
When they act against their common interests and/or threaten the safety of the people without cause. Basically, if they cause unecessary harm to the people of that country or state etc.
Explanation:
