answer the question
Answers
Answer:
1).Soil is considered as a important resource because it is used to satisfy our needs. (ii) It is the most important renewable natural resource. (iii) It is the medium of plant growth. (iv) It supports different types of living organisms on the Earth.....
Explanation:
2)Deforestation - It is the first and main cause of soil erosion that is not even in control.
Poor Soil Structure - If the soil is sandy, then soil erodes easily even by wind.
Human activities - activities like overgrazing, poor agricultural methods, etc are causing soil erosion.
3)Water cycle, also called hydrologic cycle, cycle that involves the continuous circulation of water in the Earth-atmosphere system. Of the many processes involved in the water cycle, the most important are evaporation, transpiration, condensation, precipitation, and runoff. Although the total amount of water within the cycle remains essentially constant, its distribution among the various processes is continually changing...
4)Water pollution can be caused in a number of ways, one of the most polluting being city sewage and industrial waste discharge. Indirect sources of water pollution include contaminants that enter the water supply from soils or groundwater systems and from the atmosphere via rain......
5)...The three ecological problems caused by building large dams could be soil erosion, extinction of species, loss of forests and wildlife, etc. Explanation: ... The dams hold the sediments back which recharges the downstream ecosystems naturally. As a result, many aquatic species are getting extinct....
E.1......Soils are formed through the interaction of five major factors: time, climate, parent material, topography and relief, and organisms. The relative influence of each factor varies from place to place, but the combination of all five factors normally determines the kind of soil developing in any given place....
E..4.The steps to conserve soil are-
1)we should not trow garbages like plastic item on the ground..
2)we should plant more and more tress.
3)we should cover the soil after harvesting the crop..
4)By using less insectiside and pesticides we can conserve soil....
E.2)Land use pattern refers to the way a particular piece of land us utilized by the authority to manage it in a planned way. A piece of land can be distributed according to the requirements for agriculture, residence, forests etc.
5)Planting tress with deep roots..