Ch 10: Water availability and water quality

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Questions and Answers

Why is water availability crucial for the sustenance of life on Earth?

  • It is an infinite resource
  • It is heavily influenced by various factors
  • It has no impact on the survival of living species
  • It is needed for various activities like drinking, sanitation, and agriculture (correct)

What are some factors that influence water availability?

  • Wind direction
  • Climate conditions (correct)
  • Type of rock in space
  • Internet speed

How does water availability support biodiversity?

  • It sustains biodiversity (correct)
  • It decreases biodiversity
  • It has no impact on biodiversity
  • It increases biodiversity

What are the key benefits of water for human populations?

<p>Indispensable for drinking and agriculture (D)</p> Signup and view all the answers

What has led to the increasing demand for water resources according to Figure 22?

<p>Industrialization (C)</p> Signup and view all the answers

Why is understanding key terminology essential for discussing water availability?

<p>It enhances the ability to discuss water availability comprehensively (D)</p> Signup and view all the answers

How has global water consumption trends evolved from 1900 to 2025?

<p>Exhibited significant fluctuations (B)</p> Signup and view all the answers

What is a critical aspect of water availability in South Africa?

<p>Contaminated water (D)</p> Signup and view all the answers

Which factor does not contribute to the complexities of water availability in regions like South Africa?

<p>Effective farming practices (C)</p> Signup and view all the answers

What is a pivotal role of water purification in the context of water management?

<p>Improving water quality (A)</p> Signup and view all the answers

Which sector can recycle water waste to minimize water scarcity according to the text?

<p>Power stations (A)</p> Signup and view all the answers

Which is a contributing factor to the degradation of water quality in South Africa?

<p>Introduction of alien plants (A)</p> Signup and view all the answers

What requires stringent purification measures to combat its negative effects on water quality?

<p>Thermal pollution (D)</p> Signup and view all the answers

Why is recycling water considered a sustainable approach to water conservation?

<p>Saves resources in the long run (B)</p> Signup and view all the answers

What is necessary to safeguard water availability for future generations?

<p>Technological innovations (A)</p> Signup and view all the answers

What environmental issue does the introduction of alien plants contribute to in South Africa?

<p>Water quality degradation (C)</p> Signup and view all the answers

What is a consequence of the destruction of natural wetlands in terms of water availability?

<p>Decreased flood mitigation (C)</p> Signup and view all the answers

Which factor contributes significantly to water availability complexities in regions like South Africa?

<p>Construction of dams (B)</p> Signup and view all the answers

In South Africa, what poses a significant health risk due to water contamination?

<p>Domestic pollution (B)</p> Signup and view all the answers

How can households contribute to water conservation and environmental mitigation measures?

<p>Implement home-based filtration systems (C)</p> Signup and view all the answers

Which practice plays a vital role in minimizing water scarcity and environmental degradation?

<p>Recycling water waste (D)</p> Signup and view all the answers

What is crucial in safeguarding public health and environmental integrity?

<p>Water purification (B)</p> Signup and view all the answers

What can help address the challenges associated with water availability and environmental conservation?

<p>Policy innovations (A)</p> Signup and view all the answers

How can the proliferation of sewage contribute to complications in water availability?

<p>Impacting sanitation systems (D)</p> Signup and view all the answers

Which sector can significantly aid in water conservation by recycling water waste?

<p>Mining industry (B)</p> Signup and view all the answers

What is the primary focus of the comprehensive exploration mentioned in the text?

<p>Factors affecting water availability (D)</p> Signup and view all the answers

Why is water considered indispensable for human populations according to the text?

<p>To meet basic needs such as drinking and sanitation (D)</p> Signup and view all the answers

What has heavily influenced the availability of water as mentioned in the text?

<p>Population growth and industrialization (D)</p> Signup and view all the answers

In discussing global water consumption trends, what has significantly impacted the demand for water resources?

<p>Population growth and industrialization (B)</p> Signup and view all the answers

What role does water play in supporting diverse ecosystems according to the text?

<p>Sustaining biodiversity (C)</p> Signup and view all the answers

Why is having an understanding of key terminology important in discussing water availability?

<p>For discussing water availability comprehensively (B)</p> Signup and view all the answers

What can be inferred from Figure 22 regarding the trends in global water consumption from 1900 to 2025?

<p>Increasing demand for water resources (C)</p> Signup and view all the answers

What factor can lead to the degradation of water quality in South Africa?

<p>Introduction of alien plants (A)</p> Signup and view all the answers

How can recycled water aid in environmental conservation?

<p>Through better purification measures (A)</p> Signup and view all the answers

What practices contribute to the complexities of water availability in South Africa?

<p>Destruction of natural wetlands and water wastage (C)</p> Signup and view all the answers

Why is poor farming practice a concern for water availability?

<p>It contributes to water wastage (D)</p> Signup and view all the answers

What plays a pivotal role in safeguarding public health and environmental integrity?

<p>Large-scale water treatment plants (D)</p> Signup and view all the answers

In what aspect can the proliferation of exotic plantations impact water availability?

<p>By contributing to eutrophication (B)</p> Signup and view all the answers

Why is understanding the role of hydroelectricity essential for sustainable water management?

<p>To aid in pollution prevention (D)</p> Signup and view all the answers

What measure is critical for mitigating the risk of thermal pollution in water systems?

<p>Implementing home-based filtration systems (A)</p> Signup and view all the answers
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