Unit 7 Review Environmental Science

As trash is decomposed/broken down in a landfill, methane is produced. Methane can be dangerous. What is the best method of dealing with the methane?

• Burn as a fuel to generate electricity

• store it

• release it to the atmosphere to get rid of Carbon dioxide

• collect it to create bombs

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What is one example of sustainable land use?

• regulating how timber is cut down

• clear cutting forests

• building more individual homes

• filling in wetlands to create more usable space

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What is one major reason we should not continue to cut down the Amazon rainforest for economic gain?

• It is important carbon sink (stores carbon)

• We should continue to cut down the forest because it is good for the economy

• I don't live in the Amazon, so it doesn't matter

• Flooding could occur

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A city wants to build a new landfill. The local government has requested a report of the local environment and how they plan to monitor it once the landfill has been built. Why would the government want to monitor the local environment?

• To ensure the landfill doesn’t impact the local environment

• To determine the economic impact

• To determine the human impact

• To ensure the landfill only takes the right trash

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NGSS.MS-ESS3-3

As nonrenewable resources become more scarce, it’s important for governments to encourage the uses of renewable and sustainable practices. What is the best way the government can do this?

• Increase taxes for companies that use unsustainable practices

• Let the market regulate itself

• There is nothing a government can do

• put people in jail for using too many fossil fuels

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Crop rotation is a strategy used by farmers where a different type of crop is grown on the same soil every season. Each type of plant requires different nutrients. What impact can crop rotation have on the environment?

• Allowing fields to be used longer reducing the need for new fields

• It can confuse the local environment and should be avoided

• Allows crops to grow bigger

• lets farmers make more money

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Food around the world is not distributed evenly. This means different things in different countries. Which statement below supports the political cartoon ?

• Poverty in America means you are less healthy. Poverty in the rest of the world means no food.

• Americans are fatter than other countries

• No one goes hungry in America

• Eventually everyone in the world will get fatter

A new soda company is looking to reduce the amount of waste they make. They are looking to design the packaging to have the least impact on the environment once you finish drinking it. Which strategy is most eco friendly?

• Making the can refillable

• Make the can recyclable

• Make the can able to decompose

• Use drink pouches instead

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A strip mining company wants mine within a national park. They promise to reclaim the land should any minerals be mined from the area. As an ecologist,what factors would you raise with the local government?

• The threat to the local biodiversity

• The economic impact

• The jobs that will be created

• The amount of minerals that will be extracted

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Incinerating (burning) solid waste is one way in which humans manage waste on Earth. While incinerating can provide advantages, it also has disadvantages. Which of the following is a disadvantage of incinerating solid waste?

• Greenhouse gases are released into the atmosphere

• reduction of solid waste

• reduced need for landfills

• good air quality

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