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Lake Poopo is not the only vast area of water to have disappeared. The Aral Sea in Central Asia was once the world’s fourth largest lake but then it began to shrink in the 1960s. As a shallow lake, it depended on rivers to keep its level up. But then water from these rivers was diverted for irrigation purposes. Rice is a crop that needs huge quantities of water to survive in desert areas. Fields planted with cotton also require a regular supply. Now the water level is so low that fishing has stopped altogether. And it is not just the immediate area that is affected. Because the floor of the lake is now exposed, the salt that lies there is often carried by the wind across a radius of 300 kilometers. This impacts on agriculture as it damages growing plants and is absorbed by the soil.
Use these answers to check your work, but go back and re-read the passage with the vocabulary list above. You’ll not only score higher but also walk away knowing why our lakes are in danger—and what can still be done. earth lakes are under threat reading answers exclusive
Dr. [Name] emphasizes that "lake conservation requires a collaborative effort from governments, local communities, and individuals. We need to raise awareness about the importance of lakes and the threats they face. We also need to develop and implement effective management strategies that balance human needs with environmental protection."
— Explanation: Paragraph B states that the new findings challenge the previous "dry-gets-drier, wet-gets-wetter" paradigm. To help you practice or prepare materials on
Key Concept : . As air temperatures rise, the atmosphere pulls more moisture from open water surfaces, accelerating water loss even in areas with stable rainfall. The Nutrient Trap (Paragraphs C & D)
While many factors contribute, climate change is arguably the most pervasive. The steady rise in global temperatures is causing surface waters to warm, leading to ecosystem disruption, reduced oxygen levels, and increased evaporation, which exacerbates drought conditions. As the passage states, for some lakes, climate change is the "biggest threat". As a shallow lake, it depended on rivers
To achieve a high score, you must understand exactly where the text hides the answers. Here is an exclusive breakdown of the core paragraphs. The Core Crisis (Paragraphs A & B)
Natural lakes lose substantial volume when higher temperatures combine with fluctuating ____________.
Paragraph B mentions the "Aral Sea in Central Asia" as the classic, tragic example of river diversion.