Earth Lakes Are - Under Threat Reading Answers Exclusive
Earth's Lakes Under Threat: A Growing Concern
| Question Number | Answer | Explanation (Location in text) | | :--- | :--- | :--- | | 1 | B | Paragraph 2 mentions threats to "biodiversity and water quality." | | 2 | C | Paragraph 3 states climate change leads to "increased water temperatures." | | 3 | A | Paragraph 1 describes eutrophication from "fertilizers and sewage." | | 4 | D | Paragraph 4 discusses "invasive species" disrupting ecosystems. | | 5 | FALSE | The report says the situation is worsening, not stable. | | 6 | TRUE | The text explicitly states algae blooms reduce oxygen levels. | | 7 | NOT GIVEN | No comparison is made between lakes in Asia vs. Europe. | | 8 | TRUE | The report confirms that urban runoff is a major contributor. | | 9 | FALSE | The passage says only 10% of large lakes are unaffected (meaning 90% are under threat). | | 10 | SEDIMENTATION | Paragraph 5: "Soil erosion leads to increased... blocking sunlight." | | 11 | AGRICULTURE | Paragraph 6: "The primary source of nitrogen pollution is..." | | 12 | THERMAL POLLUTION | Paragraph 7: "Industrial cooling processes cause..." | | 13 | OXYGEN DEPLETION | Final paragraph: "The most immediate risk to fish stocks is..." | earth lakes are under threat reading answers exclusive
"Earth Lakes Are Under Threat" Reading Answers: Key Concepts Earth's Lakes Under Threat: A Growing Concern |
12. Name one solution proposed for reducing agricultural pollution in lakes.
✅ Answer: Buffer zones / Riparian strips / Precision farming (any one is acceptable based on passage variants) Location: Paragraph discussing invasive species
- Location: Paragraph discussing invasive species.
- Explanation: The text highlights the zebra mussel as a prime example of an invasive species that has caused significant damage to the lake ecosystem by filtering out plankton and disrupting the food chain.
