The united nation was officially established in 1950. select one: true false physical boundaries follow features of the natural landscape. select one: true false

1- The statement is false. The United Nations was officially established in 1945.

2- The statement is true. Physical boundaries follow features of the natural landscape.

Explanation:

1- The United Nations is a world organization formed after World War II on October 24, 1945 by 51 states. The organization was aimed to prevent a world war from ever arising again, and to strengthen human rights throughout the world.  Nowadays, this organization is formed by 191 states.

2- A boundary is a line that delimits the territory of two different states, that is, it is a common point that separates two nations.

These limits can be artificial, such as imaginary lines established by man; or natural, that is, taking as reference existing pre-existing geographical accidents such as rivers, lakes or mountains, using these as the boundary between two nations.