Essential Standards

  • Understand the hydrosphere and the impact of humans on local systems and the effects of the hydrosphere on humans.

    • Explain the structure of the hydrosphere including water distribution on earth and local river basins and water availability.

    • Summarize evidence that Earth’s oceans are a reservoir of nutrients, minerals, dissolved gases, and life forms. 

    • Predict the safety and potability of water supplies in North Carolina based on physical and biological factors, including temperature, dissolved oxygen, pH, and other factors used to determine water quality.

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