They can create new things and landforms
When ca river floods it will create a big flood and stuff
So far as we know in 2015, Mars does not have any running water to create floods.
So far as we know in 2015, Mars does not have any running water to create floods.
Flash floods - a big killer of humans in desert regions.
Sometimes swamps and bogs usually just floods.
Aroyo's
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The Nile river floods and leaves fertile soil.
Stop floods Getting to school
They are plates moving under the earth, they create many natural disasters such as floods and volcanoes
Irrigation canals! They were pretty smart back then!  HOPE THIS HELPED FOR RESEARCH! 
Flash floods are floods that are caused by a storm. Normal floods are caused by non-stop rain.