The answer to your question is a
three.
It is formed by the confluence of three other rivers, the White Nile (Bahr-el-Abiad), Blue Nile (Bahr-el-Azrak) and River Atbara. The Blue Nile (Bahr-el-Azrak) flows from Lake Tana (Ethiopia), converging with the White Nile in Khartoum, capital of Sudan

Nay Pyi Taw is the capital of Myanmar
Answer:
geography*
Explanation:
the studey of the earth and its physical features