Answer:
What is the predominant vegetation zone in the northern part of Africa around the Tropic of Cancer?
desert and dry shrub
<em>In the northern part of Africa around the Tropic of Cancer is situated the </em><em>Sahara Desert</em><em> - the largest desert in the world, where the vegetation is formed by grasses and bushes shabby. The vegetation in the oases is maintained by groundwater.</em>
Answer: Coagulation and flocculation are often the first steps in water treatment. Chemicals with a positive charge are added to the water. The positive charge of these chemicals neutralizes the negative charge of dirt and other dissolved particles in the water.
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The changes in land use associated with urban development affect flooding in many ways. Removing vegetation and soil, grading the land surface, and constructing drainage networks increase runoff to streams from rainfall and snowmelt. As a result, the peak discharge, volume, and frequency of floods increase in nearby streams. Changes to stream channels during urban development can limit their capacity to convey floodwaters. Roads and buildings constructed in flood-prone areas are exposed to increased flood hazards, including inundation and erosion, as new development continues. Information about streamflow and how it is affected by land use can help communities reduce their current and future vulnerability to floods.<span>
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Greece is known to be a peninsula, meaning, its three sides are surrounded by a body of water. It is also consisted to several rocky isles, and the mainland is quite mountainous as well. The highest elevation is Greece is the famous Mount Olympus.
