Sustainable Use of Land

Why might it be more difficult to convince the human population of the value of a forest’s ecological services as opposed to the value of its economic services?

• Ecological Services cannot be monetarily estimated

• Ecological services are not easily observed by the average human

• Ecological services detail the cost of use on the environment

• Ecological services are only a focus of less developed economies

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NGSS.MS-LS2-5

Methane is produced during decomposition in landfills by bacteria. Methane gas retain more heat than Carbon Dioxide. Which of the following is the best use of this removed gas?

• Trap it underground

• Release into the air

• Burn as a fuel to generate electricity

• collect in glass containers

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NGSS.HS-ESS3-2

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NGSS.HS-ETS1-3

One method we use to manage waste is to burn or incinerate it. While incinerating can provide benefits, it also has disadvantages. Which of these is a disadvantage of burning waste?

• Reduce the trash amount

• Release greenhouse gases into atmosphere

• Concentrate hazardous substances into ash for burial

• We get energy from it

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NGSS.MS-ESS3-3

There are many ways for loggers to harvest wood from forests. Which of the following would provide the best sustainable use of the land?

• Strip cutting the trees because it minimizes widespread destruction

• strip cutting the trees because we only cut mature trees

• clear cutting the trees because it is the most cost effective method

• clear cutting the trees because it minimizes widespread destruction

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NGSS.MS-LS2-4

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Governments and other political practices can help make a shift toward more sustainable land use and management. Which of the following best explains how this can be achieved?

• Remove subsidies and tax breaks that support deforestation

• Encourage logging in tropical rainforests

• Remove most standing dead trees and large fallen ones

• Encourage the use of tropical rainforests for economic gain.

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NGSS.HS-ETS1-3

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In the grasslands, cattle often overgraze. Overgrazing reduce the grass cover and negatively impact soil health. How can we prevent this from happening? So we can support sustainable use of the land.

• Encourage the buying of ranch lands for housing

• Practice moving confined cattle every few days to spread areas of feeding

• Practice grazing with cattle in a specific area of land at same stage of plant growth cycle each year

• Allow unlimited animals to graze in a given area to reach carrying capacity

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NGSS.MS-LS2-1

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While landfills help isolate trash from the surrounding area, groundwater contamination can easily occur as a result of landfills. Which of the following is the best recourse to prevent this?

• cover landfills with cement

• landfills are located far from dense population area

• line landfills with plastics and clay soil

• landfills are located on slopes for water to run downhill

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NGSS.MS-ESS3-3

NGSS.MS-ETS1-3

Batteries should be recycled instead of thrown in regular garbage. Which of the following is the best explanation for recycling them?

• they absorb heat and can lead to forest fire and damage ecosystems

• They are no longer in use due to more advanced technology practices.

• They are intended for military and medical equipment that need a long life.

• they contain mercury that if leaked into the environment can threaten human health

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NGSS.MS-PS1-3

The health of a forest can play a major role in maintaining human health by _______

• being a source of mining

• providing medicines from forest species

• providing paper

• providing wildlife habitats

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NGSS.MS-LS2-5

Although synthetic (man made) fertilizers keep nutrient levels high and increase crop yields, they can increase the potential for environmental pollution and should be used sparingly (very little).

• True

• False

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NGSS.MS-LS1-5

NGSS.MS-LS2-4