What is a material in Korean culture?

What does the acronym "PhD" mean and how does it relate to the title of "doctor"? What is hormone glucagon? Does glass looked different when heated opposed to glass not heated? What are the key components to consider when conducting research for a dissertation or thesis? Is science is the most important academic subject? One fruits name in urdu if one workd remove its country name and last word remove its city name and both list and first name remmve its bird name? What is the definition of the keyword "source note" and how is it used in academic writing? What does noch mean? How do you write twin in Japanese? What were the terms of surrender for the confederate army? How do you say true till death in German? WHAT is the keystone document in the joint operations series? What does nonno mean? How do you say then please move out in Spanish? How many schools r there in the world in total? When traveling when does per diem begin and end? Is deepness a word? The word Philosophy comes from the greek philein and Sophia? Can you give me a list of words to describe a boy or man? Where did vinny Guadagnino go to high school at?