Because Asia is one continent and Russia is another. And also because Asia is not Russia, saying Asians arent Russians.
Drainage basin - the area of land drained by a river.
Catchment area - the area within the drainage basin.
Watershed - the edge of highland surrounding a drainage basin which marks the boundary between two drainage basins.
Source - the beginning or start of a river.
Confluence - the point at which two rivers or streams join.
Tributary - a stream or smaller river which joins a larger stream or river.
Mouth - the point where the river comes to the end, usually when entering a sea.
Hope this helped :)
Answer
Geography influenced formation of two cultures in the region.Climate affected the people of this region by determining the type of food and clothing.
Explanation
Hills and mountains restricted the people from moving to far lands which resulted to formation of two cultures.The Vindhyan is dominated by Hindi language speakers where as the south of Vindhyan language diversity is present.Climate determines the type of food and cloths for the people.subtropical regions has most people wearing short sleeve shirts where as polar area has fully sleeve shirts for its customers. Subtropical crops such ad wheat grow in northern states of India where as the southern states enjoy rice and coconut farming.
Were is the rest of the question...I mean were is the so called column
Answer:
The Tropic of Cancer (23° N)
The Equator (0°)
The Tropic of Capricorn (23°S)