Question

1. The area drained by a river and its tributaries is called its
2. The longest tributary of the River Ganga is
which joins it at
3. The River Brahmaputra is known as
in Tibet.
4
Eid and Christmas are important festivals celebrated by people in the
Brahmaputra region.
6​

Answer 1

Answer:

1) river basin or drainage basin

2) Ghaghara River

3) The Brahmaputra, called Yarlung Tsangpo in Tibet, Siang/Dihang River in Arunachal Pradesh and Luit, Dilao in Assam, is a trans-boundary river which flows through Tibet, India and Bangladesh. It is the ninth largest river in the world by discharge, and the 15th longest.

4)

Answer 2

Answer:

The crude birth rate in a period is the total number of live births per 1,000 population divided by the length of the period in years. The number of live births is normally taken from a universal registration system for births; population counts from a census, and estimation through specialized demographic techniques