A man is sitting on a chair in a dark room near one of the walls. A big mirror is hung on the wall facing the man When a torchlight is put on the man from a distance, then we can see X of the man on the wall behind him. At the same time, Y of the man can be observed in the mirror on the wall.

answer at the divergent plate boundary in the middle of the ocean;

chinese civil war took place over a long period of time between 1927 and 1950. the war was interrupted when japan invaded china in 1936 and by world war ii. the war was fought between the nationalist government of china, also called the kuomintang (kmt), and the communist party of china (cpc).