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Environmental Science Final Milestone,100% CORRECT

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Moss and lichen begin to grow on land revealed by glacial retreat. Over a period of years, these plants are replaced by shrubs and then by taller shrubs. The ecological process that is occurring is called __________.  ecosystem management  secondary succession  species interaction  primary succession CONCEPT Community Ecology 2 Which of the following is a voluntary environmental risk?  Samantha uncovers a wasp nest while painting the eaves.  Duane moves to a city with heavy amounts of air pollution.  Several people fall ill after eating the spinach salad at a restaurant.  Dwight develops cancer after working in the petrochemical industry. CONCEPT Risk 3 The Industrial Revolution was a factor in a global population explosion because as the population increased, cities and their infrastructures grew. Select one statement that is NOT a result of this change.  New forms of transportation led to new mobility for citizens.  Clean water became less accessible.  Energy was more readily available in cities.  Improved food production fed more people. CONCEPT Human Arrival and Expansion 4 Select the energy source that is non-renewable.  A solar farm produces electricity for 2,000 homes.  A dam converts running water into electricity.  A natural gas stove allows chefs to adjust the flame during cooking.  Algae is made into biodiesel. CONCEPT Energy Renewable Energy Non-Renewable Energy 5 Select the example that describes an environmental cause of famine.  Local farmers lack the technical expertise to develop new cultivation strategies.  A country's population continues to increase but incomes decrease steadily.  An area is flooded after heavy rains and all the crops are lost.  A corrupt government is overthrown and the country descends into violence. CONCEPT World Nutrition 6 Choose the true statement about sources of air pollution in the United States.  Natural sources of air pollution include household products.  Non-point sources of air pollution are easier to monitor and control.  Stationary sources of air pollution are also point sources.  Mobile sources contribute about half of man-made pollution emissions. CONCEPT Air Pollution 7 Choose the statement that is NOT true about water availability on Earth.  Household consumption of freshwater is greater than industrial consumption.  Agriculture uses the majority of available freshwater.  One-fifth of the Earth’s population lives with a scarcity of water.  Water use has been growing at twice the rate of population. CONCEPT Water Availability 8 Choose the statement about the impact of an invasive species that is NOT true.

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