<span>The two primary causes are climate change, resulting in increased severity and intensity of rainfall, and new developments on floodplains, which are themselves at risk of flooding, and which increase the risk of flooding downstream. [ The effects of flooding from the sources outlined above are felt by various 'receptors'. These include, people, buildings, infrastructure, agriculture, open recreational space and the natural world. In extreme cases flooding may cause a loss of life.</span>
Explanation:
calculated by dividing the rise by the run.the scale of the map is 1:100,000. 15cm, and the scale of the map is 1:100,000. 10cm, and the scale of the map is 1:100,000