Question

how do the following help in weathering
water
sun
wind

Answer 1

sun=by slow action of sun the rocks get melted (but this takes so many years)
wind=when winds clash withthe rocks the friction produced causes weathering
water=water is always moving and the friction causes the same.

Answer 2

1.- water flows from mountains in a rapid speed which carry small rocks and minerals which get dissolve on earth surface
2.- sun melts the glaciers in polar regions which turn into water and carries minerals which get dissolve on earth surface
3.- Once the rock has been weakened and broken up byweathering it is ready for erosion. Erosion happens when rocks and sediments are picked up and moved to another place by ice, water, wind