11 mark
Outline one factor that may determine how easily a particular country or region can access an adequate supply of fresh water.
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Access to Fresh Water (SL IB Environmental Systems & Societies (ESS))
Topic Questions
22 marks
One major problem that threatens the availability and accessibility of a freshwater supply in some regions is contamination.
Outline two major causes of contamination to freshwater sources.
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3a3 marks
Describe the pattern of global water scarcity seen in the figure below.
3b2 marks
Briefly outline the meaning of the term water scarcity.
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42 marks
Suggest two methods for enhancing crop cultivation in regions facing water scarcity.
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17 marks
Evaluate the sustainability of rainwater harvesting as a water management strategy to improve access to freshwater resources in a society.
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29 marks
Evaluate the following statement:
"Water scarcity problems are best addressed through technological developments, rather than through changing human behaviour."
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14 marks
Evaluate the sustainability of desalinisation as a water management strategy to improve access to freshwater resources in a society.
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2a2 marks
Describe how the availability of freshwater resources is being impacted by climate change.
2b2 marks
Outline two water management strategies, other than desalinisation and rainwater harvesting, that can reduce water scarcity.
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3a
4 marks
4 marksThe figure below shows the global water demand by sector for 2023, as well as the projected demands for 2040 and 2055.
i)
Calculate the percentage of water projected to be used for agriculture in 2040, as shown in the figure above.
Show your working.
Show your working.
[2]
ii)
State two reasons for the projected decrease in the demand for water in agriculture between 2023 and 2040.
[2]
3b4 marks
i)
State the overall trend in total global water demand between 2023 and 2055.
[1]
ii)
Outline three factors contributing to this projected change.
[3]
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4a3 marks
Explain why conflicts over fresh water are becoming an increasingly frequent occurrence between human populations.
4b4 marks
Predict how technocentric and ecocentric viewpoints would differ regarding the construction and installation of dams.
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