How is the new state of matter different from previously identified states of matter?

Eastern europe and parts of northern europe have which of the following climates?

Drastic boundary changes can occur for all of the following reasons except for a. a shift in the way a river flows b. the collapse of a government system c. a conflict between two neighboring groups d. one country's decision to sell land to another country select the best answer from the choices provide

What was istanbul called before he ottomans conquered the city in the 15th century