TeachTci.com Chapter 6 Flashcards
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Acid Rain
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rain that can damage the environment
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Arable Land
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land suitable for growing crops
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Arithmetic population density
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the population of a country divided by its total land area
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Climate
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the pattern of weather over a long period of time
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Commute time
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the amount of time spent traveling to and from work
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Earthquake-resistant construction techniques
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building methods used to make structures safer during earthquakes
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Earthquake zone
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an area where earthquakes are likely, often where tectonic plates meet
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Extended families
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Flip card extended familiesa family made up of parents, children, grandparents, and sometimes more distant relatives
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Habitat
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the natural environment in which a plant or animal lives
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Life expectancy
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the average age to which a person in a given population can expect to live. Life expectancy varies from one country to another.
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Natural resource
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a useful material that is found in nature, such as water, wood, coal, or oil
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Nuclear families
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a family made up of parents and their children
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physiologic population density
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he population of a country divided by its arable land area
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pollution
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damage to the natural environment caused by harmful substances; also refers to harmful substances
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population density
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the average number of people who live in a unit of area, such as a square mile. Population density measures how crowded an area is.
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population distribution
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where people live in a country, whether crowded together in cities or spread out across the countryside
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recycling
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the process of collecting used materials that would otherwise be thrown away and turning them into raw materials for new uses
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rural
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found in or living in areas that are not close to cities
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sewage
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solid and liquid waste from homes and other buildings that is carried away by sewers or drains
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tectonic plate
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a large piece of Earth's crust that floats on the liquid mantle
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Terracing
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the creation of flat areas on mountain slopes for the purpose of farming
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toxic chemical
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a chemical that is poisonous to humans or other living things
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tsunami
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a huge, destructive wave caused by an earthquake or a volcanic eruption
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volcano
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a break in Earth's crust where magma and other material erupts from Earth's interior
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wastewater
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water that has been used; for example, for washing or producing goods
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wetland
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an area where the soil is usually wet or covered with water
