Словообразование упражнение №9
Read the texts below and decide what part of speech in A, B, C or D best fits each gap in the sentences.
Periodic floods (1) _______ naturally on many rivers, forming an area known as the (2) _______ plain. These river floods often result from heavy rain, sometimes com bined with melting snow, which causes the rivers to overflow their banks; a flood that rises and falls rapidly with little or no (3) _______ warning is called a flash flood.
Flash floods are usually caused by (4) _______ rainfall over a (5) _______ small area. Coastal areas occasionally are flooded by unusually high tides (6) _______ by (7) _______ winds over ocean surfaces, or by tsunamis caused by undersea earthquakes. Floods not only damage proper ty and (8) _______ the lives of humans and animals, but have other (9) _______ as well.