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Science / Sun, 12 Jul 2026 Sanskriti IAS

3.1 billion-year-old Australian rocks reveal evidence of Earth's ancient water cycle

Preliminary Exam Questions Q: Consider the following statements regarding the Deep Water Cycle: Seawater is chemically bound to rock minerals. This water can reach the mantle through processes such as subduction. Which of the above statements are correct? 1 and 2 only 2 and 3 only 1 and 3 only 1, 2, and 3 Mains Question Explain the concept of the 'Deep Water Cycle' in the context of recent research. How is it important in the Earth's evolution and the formation of continents?

Preliminary Exam Questions Q: Consider the following statements regarding the Deep Water Cycle: Seawater is chemically bound to rock minerals. This water can reach the mantle through processes such as subduction. It is limited only by evaporation and precipitation. Which of the above statements are correct? 1 and 2 only 2 and 3 only 1 and 3 only 1, 2, and 3 Mains Question Explain the concept of the 'Deep Water Cycle' in the context of recent research. How is it important in the Earth's evolution and the formation of continents?

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