Cutting down too many trees of forests leads to ______Cutting down too many trees of forests leads to ______, deforestation and soil depositiondeforestation and soil deposition, overpopulation and soil erosionoverpopulation and soil erosion, deforestation and soil erosiondeforestation and soil erosion, overpopulation and soil depositionoverpopulation and soil deposition, Among the factors that help us to make resources sustainability is ______Among the factors that help us to make resources sustainability is ______, overpopulationoverpopulation, overuse of resourcesoveruse of resources, damage of resourcesdamage of resources, pollution controlpollution control, If some rabbits are placed in only one large area of grass, this is considered as an example of ______ of green areas.If some rabbits are placed in only one large area of grass, this is considered as an example of ______ of green areas., deforestationdeforestation, preservationpreservation, sustainability, pollution, Prevent developing of Ras Mohammed Protectorate is considered as an example ofPrevent developing of Ras Mohammed Protectorate is considered as an example of, preservation, pollution, sustainability, consumption, Plastic cup is made from ______ products, plant, animal, oil, human, Paper of books are made from ______Paper of books are made from ______, oil products, wool of sheeps, trees, cotton, ​Recycling of wastewater means removing waste materials from it. ( )​Recycling of wastewater means removing waste materials from it. ( ), true, false, Wastewater engineers decide where to build water treatment plants. ( )Wastewater engineers decide where to build water treatment plants. ( ), true, false, ​Dams can be used to filter polluted water to be used again​Dams can be used to filter polluted water to be used again, true, false, ​Adding some of mud to a clear water can pollute it. ( )​Adding some of mud to a clear water can pollute it. ( ), true, false

lesson 4&5

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