Answer:
Chiaroscurist means a painter who uses light and shade rather than color to add more of an illusion. (Whether this be 3D or realistic type of an illusion.)
Explanation:
You will learn this in an art class.
Assuming nitrogen is an ideal gas, we use the relation PV=nRT tp predict what will happen to the system. From the equation, nR/P is constant. So, if the sample is cooled to 72K then volume would decrease. This decrease in volume would affect the density of the substance. It would increase its density. Therefore, the answer would be density.
Answer: The purpose of an excerpt is to be a trailer for a book.
Explanation: A excerpt can be like a little sneak peak that prepares the reader for the whole story. An excerpt can also help the the reader understand and memorize the subject the author is writing about.
Both poems from different authors include a point of view of aging.
I look into my Glass by Thomas Hardy talks about himself and how he notices the big change he had as he was growing old, he talks about his feeling and how they're still the ones he had once as a young man.
When you are old by William Buttler Yeats talks about his beloved one and the kind of love people may have towards her, this poem was written way before she was old but it is possible that it was a thought about the years to come.