For each factor described below, decide whether dams have an overall positive impact on it, an overall negative impact on it, or both positive and negative impacts on it. Part A Drag each label to the appropriate bin. Reset He Dams have an overall positive impact on ... Dams have an overall negative impact on ... Dams have both positive and negative impacts on ... reducing property damage from seasonal flooding in downstream fish populations in the river system areas supplying sediments to downstream habitats supplies of drinking water and irrigation water for nearby cities recreational opportunities electricity generation the risk of catastrophic flood damage in downstream areas