Question

who is 2nd secetrey of united nation​

Answer 1

Answer:

The reason why we only see ~118 elements is because we only see the ones stable enough to observe. Anything common in nature would need to have a half-life comparable to the age of the earth (or be produced as a decay product of something else that does).

Answer 2

Explanation:

• The Secretary-General of the United Nations is the chief administrative officer of the United Nations and head of the United Nations Secretariat, one of the six principal organs of the United Nations.