A market is in equilibrium if at the market price the quantity demanded is equal to the quantity supplied. The price at which the quantity demanded is equal to the quantity supplied is called the equilibrium price or market clearing price and the corresponding quantity is the equilibrium quantity.
From your knee perspective? You can start with waking up and getting up, which requires the bending of your knee and is one of the first movements your make to start you day. Your knee sees a lot of things like cabinets in your kitchen, the couch level in your house. Depending on your height your knee perspective may vary.
The correct answer is letter B. Armenia/Republic of Georgia. During the pre-World War I nation the name of the country is Armenia. Its post-war name is not Republic of Georgia, but rather it is named as the Republic of Armenia. On the other hand, Russia is for Soviet Union, Austria-Hungary for Austria, Hungary and Ottoman Empire for Republic of Turkey