Human Dependence on Natural Resources Science Today

Why is the construction of the 'Third Straw' pipeline significant for Las Vegas?

• It ensures water supply if Lake Mead's surface drops below existing intakes.

• It will increase the water capacity of Lake Mead.

• It will provide water to other states as well.

• It will reduce the cost of water supply.

What environmental challenge is the Western United States, including Las Vegas, facing?

• Unprecedented drought for 15 years.

• Excessive rainfall causing floods.

• Rapid deforestation.

• Severe air pollution.

How does the new pipeline project in Las Vegas relate to human dependence on natural resources?

• It highlights the need for innovative solutions to access limited water resources.

• It shows that natural resources are unlimited and easily accessible.

• It demonstrates that human activities have no impact on natural resources.

• It proves that technology can completely replace natural resources.

What was a major challenge faced during the construction of the pipeline?

• The tunnel flooded twice due to hitting a geologic fault.

• Lack of funding for the project.

• Opposition from environmental groups.

• Shortage of skilled labor.

How has the population growth in Las Vegas affected its water supply needs?

• Increased demand due to population growth and tourism.

• Decreased demand as people conserve more water.

• No impact on water supply needs.

• Led to a surplus of water supply.

Why should the announcement of a third supply intake for Las Vegas water cause concern?

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What climate or environment is Las Vegas?

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How is water used in human living? Give at least five examples.

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When did the water level in Lake Mead become a concern?

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Who is most affected by this news?

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