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.
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Maya Ying Lin designed the Vietnam Veterans Memorial
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The Enlightenment created many new ideas and established views of the world that had never existed before. It was a movement of intellectual thinkers in the 18th century who believed that science could explain everything in nature and society. Enlightenment thinkers at this time began to apply rational thoughts to figure out and understand nature and to guide their human existence. The Enlightenment was the great rebirth and re-creation of world-view brought about by the scientific revolution. It glorified the ability of reason and was an era of thought and intellectual accomplishment. Of all the European countries, France was the most embracing of these new ideas and philosophies and a new class emerged known as the “Philosophes” who encouraged the French public to question their society. These ideas influenced the economical, social, scientific, and political aspects of society and were a direct cause of the French Revolution.
Explanation:
let me find more evidence just wait one minute
"you have improved upon your first essay" he was speaking upon the nation as if it has became better after the hard tests and experiences its been thru.
The first option is the best source. it is written by an authority on the topic.
