Human Impacts on Environment

Which of the following is a finite resource?  

• solar energy 
• wind energy
• trees
• fossil fuels 

Fishermen have harvested certain fish to the point where the population of that fish is decreasing. This level of direct harvesting could cause

• ecosystems to be improved for future generations
• ecosystems to be severely damaged
• the restoration of environmental stability
• all other fish species to increase in number

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Which human activity would preserve nonrenewable resources?

• deforestation
• removing carnivores from a forest 
• recycling
• heating homes with fossil fuels  

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Increased industrialization will most likely

• decrease available habitats 
• increase environmental carrying capacity 
• increase the stability of ecosystems 
• decrease global warming

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Which human activity is correctly paired with its likely future consequence?

• overfishing in the Atlantic — increase in supply of flounder and salmon as food for people 
• development of electric cars or hybrid vehicles — increased rate of global warming 
• use of fossil fuels — depletion of underground coal, oil, and natural gas supplies 
• genetically engineering animals — less food available to feed the world’s population

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Which of the following is NOT a source of pollution in the ocean?

• Nitrogen and phosphorus from fertilizers used on land.

• Oils found on city streets.

• Sand drifting along the bottom of the ocean floor.

• Emissions from gas-burning vehicles.

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Which of the following is NOT a method of energy conservation?

• taking public transportation to work (bus, subway)
• riding your bike to work
• walking to work 
• driving alone in your car to work

Pollution can cause harm to the ___________.  

• air
• land
• water
• all of the above

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What is one way humans are trying to positively impact the ocean?

• Fishing

• Creating artificial reefs

• Harvesting oil and natural gas

• Transporting goods in ocean vessels

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Conservation is the act of conserving, or protecting the environment, plants, and animals. What are some things you can do to help conserve our environment? 

• leave water on, leave TV on, run dishwasher with 1 plate
• run the washing machine with 1 shirt
• leave the refrigerator door open
• turn off water, turn off lights, turn off TV

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