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Unit 4B Lesson 3

Unit 4 Lesson 3 Quiz

QuestionAnswer
How has the human population grown over the last 50 years? It has grown exponentially
True or False? An increase in the human population also means an increase in the amount of resources that we need for survival? True.
How do we make decisions when there are conflicts about how a natural resource should be used? Weigh the costs and benefits of each proposal
True or False? Fossil fuels are considered to be renewable resources. False. It takes millions of years to replace them.
Which kind of environmental issue would be an oil spill be considered? Pollution
True or False? Human survival and development are dependent on natural resources. True. Everything that we used is developed in some way from a natural resource.
How can introducing a nonnative species be considered an environmental issue? When a non native species is successful, it can overtake native species and destroy native habitat.
True or False? Fish that are hatched in fisheries are considered to be renewable resources. True. Fisheries work hard to replace as many fish as they sell to consumers.
What are the three categories of environmental issues? Pollution, Population Growth. and Resource Use.
What is the difference between point source and non-point source pollution? Point source pollution has a specific and identifiable source. Non-point source pollution may have multiple sources and/or are not easily identified.
True or False? A forest could be considered a renewable resource. True. Many types of trees can be replaced within our life time.
Solar power is a clean renewable energy source that is abundant. What is a potential draw back of solar power? Solar power may not be available at night or in cloudy weather.
Why has our birth rate increased and our death rate decreased in the last 50 years? Advances in medicine, technology and sanitation are helping more people to survive longer.
Created by: scanto
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