Challenges and Changes in Mexico City

The video explores the challenges faced by Mexico City, focusing on its sinking problem due to its location on a former lake bed. It delves into the historical context, environmental issues, and urban challenges, including water supply and pollution. The video also highlights the city's efforts to manage these problems and concludes with a promotion for Skillshare.

What is the primary reason for Mexico City's rapid sinking?

• Overpopulation

• Excessive rainfall

• Depletion of underground aquifers

• Earthquake activity

What prophecy led to the founding of Tenochtitlan?

• A serpent crossing a river

• A jaguar resting on a mountain

• An eagle eating a snake on a cactus

• A sun rising over a lake

What was the population of Tenochtitlan at its peak under the Aztecs?

• 200,000

• 600,000

• 100,000

• 400,000

What major change did the Spanish make to the geography of Mexico City after their conquest?

• They built new dams and dikes

• They constructed a large canal system

• They drained the lake and expanded the city

• They moved the city to a higher elevation

What was a significant consequence of the Spanish destroying the Aztec dams?

• Improved trade routes

• Increased agricultural productivity

• Better defense against invaders

• Frequent flooding of the city

Why does Mexico City struggle with water supply despite receiving significant rainfall?

• The rainfall is seasonal and unpredictable

• The rainwater is too polluted

• The concrete coverage prevents aquifer replenishment

• The city lacks proper storage facilities

What is one of the main reasons for the inefficiency of Mexico City's water supply system?

• Constantly shifting elevation causing pipe damage

• Insufficient water sources

• Lack of skilled labor for maintenance

• Old and outdated technology

How did Mexico City manage to reduce its air pollution levels?

• By implementing stricter vehicle emissions standards

• By relocating industries

• By using advanced air filtration systems

• By increasing green spaces

What natural feature of Mexico City contributes to its pollution problems?

• Its proximity to the ocean

• Its location in a high valley surrounded by mountains

• Its numerous rivers and lakes

• Its dense forest cover

What is a major challenge Mexico City faces due to its geographic location?

• Seismic activity leading to amplified earthquake damage

• Limited access to natural resources

• Harsh desert climate

• Frequent volcanic eruptions