10. What is the effect of differences in air pressure on the wind? A. Changes its direction B. Changes its temperature C. Changes its strength D. All of the above
EVALUATE AND COMMUNICATE 11. Answer the following questions: a. Suggest three ways that people use groundwater as a resource. b. Explain how groundwater is used unsustainably. c. Explain the significance of groundwater to Aboriginal and Torres Strait Islander Peoples. 12. Drinking unsafe water creates a number of problems. Identify two impacts of unsafe drinking water on the lives of people in developing countries. 13. Explain two water management strategies used by communities to improve the sustainability of water as an environmental resource. 14. Drought presents a far greater risk to communities than floods. Do you agree or disagree with this statement? Justify your opinion. 15. Explain how climate change is increasing the risk of hazards becoming disasters. Answers and sample responses for this topic are available online.
TOPIC9 Water in the world 339
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