Question

several rivers begin from them?​

Answer 1

Answer:

The source is where a river starts its journey and is usually found in the hills or mountains. Some rivers begin at springs where water naturally seeps or gushes from the ground, others are formed when rain or melted snow runs as surface water into streams. A river can have more than one source

Explanation:

Answer 2

Answer:

Flirst thing is due to glaciers.

Explanation:

The source of a river may be a spring, often on a hill, mountain, glacier, or another high place. A spring is water that flows out from under the ground. The source of a river may be a lake where lots of water from small streams gathers when it rains or snows. A river may begin in mountains where there is snow.