Uses of resources

Which of these sources is used for generating electricity that is NOT renewable?

• coal
• the Sun
• wind
• water

Which of the following is NOT a fossil fuel?

• coal
• minerals
• natural gas
• oil

Which of the following is true about coal?

• It is renewable because it is deep inside Earth.
• It is renewable because it can easily be replaced as it is used.
• It is nonrenewable because it cannot be replaced as fast as people use it.
• It is nonrenewable because it fuels many power plants that make electricity.

Which of the following is a disadvantage of fossil fuels?

• Not easily available
• causes pollution when burned
• only available at certain times
• creates long lasting waste

Which of the following human activities contribute to an increased green house effect?

• Harvesting energy from the sun.
• Deforestation
• Walking to work.
• Switching to geothermal powered electricity 

How does population Density effect the environment?

• smog
• To many people in one space can overwhelm the ecosystem and enviroment
• people pollute 
• pancakes

Using resources in such a way that we continue living in a developed world, but at the same time we protect the environment. This is the definition of:

• Suspensability
• Ecology
• Sustainability
• Ecological precautions

What is "overfishing"?

• Fishing out of season

• Catching fish faster than they can replenish

• Catching fish from the top of the food chain

• Catching more fish than what people eat

What is an impact of fish disappearing? Select all that apply(2)

• Global warming

• Jobs and economies can disappear

• A major source of protein for humans is lost

• Sea levels will rise, flooding coastal areas

Generally, these are some of the causes of Overfishing. Which isn't?

• Illegal Fishing

• Too many fish species in an area

• Advanced fishing techniques

• Consumer preferences