Early in the Earth's development, the atmosphere contained no oxygen. Yet the iron dissolved in the oceans was oxidized in gigantic quantities and deposited as rock. It can be seen today, for example, ...
Groundwater quality assessment in Kerala reveals concerning levels of nitrate and iron contamination, posing potential health risks.
A 2025 assessment by the Central Ground Water Authority revealed elevated nitrate and iron levels in Kerala's groundwater, posing health risks and operational challenges.
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