The correct answer is A. Ethiopia is rich in rivers and lakes, but they are not utilized at all.Statement A is not correct because Ethiopia's rivers and lakes are indeed utilized to some extent. Ethiopia has a significant number of rivers and lakes that contribute to its water resources and are utilized for various purposes such as agriculture, hydropower generation, and domestic water supply. The country has been investing in the development of water resources and infrastructure, including dam construction and irrigation projects, to make use of its water resources for socio-economic development.Statements B, C, and D are correct:B. Available water resources in Ethiopia are being widely used: Ethiopia heavily relies on its water resources for various sectors, including agriculture, industry, and domestic use. These resources are being used to support the country's growing population and economic activities.C. Policy intervention is necessary to conserve Ethiopia's water resources: Due to increasing water demand and potential risks of water scarcity and environmental degradation, policy interventions are crucial to ensure sustainable water management, conservation, and equitable distribution of water resources in Ethiopia.D. A number of development projects are underway regarding the major rivers of Ethiopia: Ethiopia has been implementing several development projects focused on its major rivers, such as the construction of dams and irrigation systems. These projects aim to enhance water storage, improve irrigation efficiency, generate hydroelectric power, and support agricultural productivity.