Question

what makes the water to flow?​

Answer 1

$\huge\red{\underline\orange{\underline\purple{Answer:}}}$A river forms from water moving from a higher elevation to a lower elevation, all due to gravity. When rain falls on the land, it either seeps into the ground or becomes runoff, which flows downhill into rivers and lakes, on its journey towards the seas.

Answer 2

Answer:

Water flows due to gravity .

As water moves from a wider space to a narrow space the pressure and velocity of flow increases.

Hope this helps you ...