Why is water considered essential for the development and survival of human civilizations?

• It is primarily used for transportation and trade routes.

• It is necessary for agriculture, sanitation, and human survival.

• It is mainly a symbol of wealth and power.

• It helps in mining precious metals.

What is hydraulic engineering primarily used for in the context of human settlements?

• To create decorative fountains in cities.

• To control water flow, prevent flooding, and channel water for use.

• To build large ships for ocean travel.

• To extract minerals from the ground.

What were some of the geographical challenges faced by the Mayan civilization in the Yucatan Peninsula regarding water?

• Frequent tsunamis and volcanic eruptions.

• A karst plain with limestone bedrock, poor soil, and highly seasonal rainfall.

• Extremely cold temperatures and frozen rivers.

• Lack of access to the ocean for fishing.

How might the "Holy Lords" of the Mayan civilization have maintained their authority over the people?

• By controlling access to valuable trade routes.

• By demonstrating superior military strength.

• By controlling water reservoirs and distributing water during dry seasons in exchange for tribute.

• By developing advanced writing systems and calendars.

What is one significant impact of El Niño on human societies?

• It causes meteorologists to misname weather patterns.

• It can influence the rise and fall of civilizations.

• It leads to a deep connection between weather and religion.

• It primarily affects the coast of South America.

What environmental factor is believed to have contributed to the decline of the Maya civilization in the Yucatan?

• Volcanic eruptions

• A series of severe droughts

• Frequent tsunamis

• Extreme cold temperatures

What was a proposed primary function of the large reservoirs, known as barays, built by the Khmer Empire?

• To serve as burial sites for royalty.

• To provide water for irrigation and flood control.

• To act as defensive moats against invaders.

• To generate hydroelectric power for the city.

What is a key benefit of understanding ancient history, particularly regarding environmental challenges?

• It helps predict future weather patterns with certainty.

• It provides knowledge to guide present and future decisions.

• It proves that past civilizations were more advanced than modern ones.

• It shows that environmental issues are a new phenomenon.