Earth Lakes Are Under Threat Reading Answers Exclusive ((new)) -

Which lake is used as an example of complete ecological collapse? Answer: The Aral Sea (due to irrigation diversion, not climate change alone).

For some lakes, the biggest threat is from climate change. On average, the surface water of the world’s lakes has gone up in temperature by 0.34°C every ten years since 1985. Lake Tanganyika in East Africa is a lake where this trend has been observed, although it is by no means the most extreme example. This would be Lake Fracksjon in Sweden, where an increase of 1.35°C per decade has been observed – a figure which is estimated to rise. For Lake Tanganyika, however, the consequences have been severe. Warming has disrupted its ecosystem, and fish numbers have dropped sharply. In turn, this decline in fish stocks has impacted on families living in villages and towns around the lake, since they have no other source of protein. Furthermore, around 100,000 people depend on the fisheries established around Lake Tanganyika. These companies provide them with regular employment, without which communities will not survive.

✅ Answer: B – Lake Baikal Explanation: The passage mentions Baikal’s 1,500+ unique species, including the Baikal seal, while noting rising water temperatures and industrial pollution. earth lakes are under threat reading answers exclusive

On a larger scale, the most effective solutions require community action and government policy. This includes implementing sustainable farming practices to minimise agricultural runoff, updating outdated water infrastructure to prevent leaks, and enforcing stricter regulations on industrial pollution. Projects to restore natural wetlands are also essential, as they act as natural filters and sponges, improving water quality and mitigating floods.

Too large or too small in comparison with something else. Anthropogenic (Adj.): Caused or influenced by humans. Which lake is used as an example of

Understanding how the text is structured is essential for locating answers quickly under timed conditions. Paragraph A: The Scope of the Crisis

Crucially, the threat extends beyond simple volume loss. Water quality is deteriorating at an accelerating rate. As water levels drop, the concentration of pollutants, agricultural runoff, and industrial waste spikes dramatically. Higher water temperatures also trigger massive algal blooms. These blooms consume dissolved oxygen, creating vast "dead zones" where fish and other aquatic organisms cannot survive. Toxic cyanobacteria from these blooms pose direct health risks to human populations relying on these reservoirs for drinking water. On average, the surface water of the world’s

of the world's population resides in a basin with a drying lake.

Paragraph C details how algal blooms create " where fish and other aquatic organisms cannot survive." 6 limnologists Paragraph A