C14 Land

When more people live in a city than it can support, living condition deteriorate. This is known as

• urban crisis
• urban sprawl
• urbanization
• infracstructure

People moving from the rural areas to cities is called...

• Ruralization
• Urbanization
• Colonization
• None of these

the urban heat island is most evident

• in rural areas
• in the summer time
• at night

urban areas are often warmer than the surrounding rural areas because

• changes in surface to less reflective ones
• tall building can block wind movement
• increased airconditioner use and low level pollution increase trapped heat
• All of these

Which is NOT a strategy to increase a city's sustainablity

• reduce reliance on fossil fuels
• increase/improve greenspace
• increase recycling rates
• build more shopping malls

What is a "heat island"?

• an island in a river or lake that produces heat
• an area in which the air temperature is generally higher than the temperature of surrounding rural areas
• when the leftovers or "tailings" from mining are piled up in a river
• an oasis

What causes urban heat islands?

• movement of people from farms to cities
• lots and lots of people heating their homes
• roads and buildings absorb and retain heat longer than vegetation does
• soil erosion

What are common practices that lead to overgrazing?

• grazing cattle instead of sheep and goats
• getting into conflicts with neighbors over grazing rights
• using sheepdogs instead of human shepherds
• too many animals, lack of rotation, grazing at wrong times in plant life cycle

What is deforestation?

• throwing someone out of a window
• selectively cutting trees for lumber, making sure the forest remains healthy
• allowing more animals to graze on the land than it can support
• cutting and removal of rainforest

What are some reasons deforestation occurs?

• clearing land for agriculture, ranching, and mining
• just wanting to destroy things
• Population moving from rural areas to cities
• to make room for infrastructure