Unit 6: Human Impact

How is plastic pollution harmful to the environment?

• plastic releases harmful chemicals when it breaks down

• items such as plastic bags can be mistaken as food by animals

• plastic breaks down into microplastics, which animals can eat

• all of the above

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Climate change affects

• number of severe weather events

• extinction rate of species

• melting of glaciers and polar ice caps

• all of the above

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Carbon dioxide and methane are examples of

• types of water

• solids

• greenhouse gases

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Deforestation, which is the clear cutting of forests affects climate change due to

• deforestation depletes the ozone layer

• forest clearing leads to increased noise pollution

• forest burning releases additional carbon dioxide into the atmosphere

• deforestation increases the number of plants and animals in an area

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Which of the following is a nonrenewable resource?

• solar

• oil

• wind

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How are wind and solar energy better than coal and oil energy?

• They can only be found near the equator

• They don't produce harmful emissions

• They cause more greenhouse gases than oil and coal

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How does carbon dioxide affect global temperature?

• It causes it to decrease as it absorbs the suns energy

• It causes temperature to increase by trapping heat and reflecting it back to the Earth

• no effect

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What human activity would help reduce or decrease the amount of carbon dioxide in the atmosphere?

• increase human population

• increase the number of cars being driven

• decrease the burning of fossil fuels

• decrease the number of recycling programs

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What is global warming?

• increase in the average temperature of the Earth's air and oceans.

• Due to an increase in populations of plants and trees

• a result of less fossil fuels being burned

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What is climate change ?

• What you get from a cashier

• gradual changes in all the interconnected weather elements on our planet.

• a form of severe weather

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