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Crit.BG.2.11. Describe the properties of water and its importance for the existence of life. FCTC
- St.BG.2.11.1. Recognizes the anomalous properties of water relating them to the consequences they have for the maintenance of life on Earth.
Crit.BG.2.12. Interpret the distribution of water on Earth, as well as the water cycle and the use that human beings make of it. FCTC
- St.BG.2.12.1. Describe the water cycle, relating it to changes in its state of aggregation.
Crit.BG.2.13. Assess the need for sustainable water management and personal, as well as collective, actions that promote the reduction in consumption and its reuse. CIEE
- St.BG.2.13.1. Understand the meaning of sustainable management of fresh water, listing specific measures that collaborate in this management.
Crit.BG.2.14. Justify and argue the importance of preserving and not contaminating fresh and salt water. CAA
- St.BG.2.14.1. Recognizes the problems of contamination of fresh and salt water and relates them to human activities.

5. The hydrosphere