renewable and non renewable energy resources Flashcards
1
Q
What are fossil fuels?
A
Fuels which are mined from the Earth and burned to produce energy.
2
Q
What is a non-renewable energy resource?
A
A resource that can not be replaced when it is used up.
3
Q
What is a greenhouse gas?
A
A naturally occurring gas in the atmosphere.
4
Q
What is a resource that is unsustainable?
A
A resource which cannot be used forever and cannot be replaced or recycled after they are used.
5
Q
What are some examples of non-renewable energy resources?
A
Coal, natural gases, biomass, nuclear, wood, oil.
6
Q
What are some advantages of natural gases?
A
- It’s a ready made fuel.
- It’s a relatively cheap form of energy.
- It’s a slightly cheaper fuel than coal or oil.
7
Q
What’s the estimated time left for these fossil fuels?
A
- Oil- 50 years
- Natural gas- 70 years
- Coal -250 years