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- 1. Multiple Choice
Biofuel is any source of energy made from biomass, or material that came from living organisms.
True
False
- 2. Multiple Choice
Biofuels can be made from which items:
plants
manure
algae
all of the above
- 3. Multiple Choice
Fossil fuels are considered biofuels.
True
False
- 4. Multiple Choice
Biofuels are made from recently living organisms & they’re better for the environment.
True
False
- 5. Multiple Choice
What part of a corn plant is most likely to be used in making ethanol?
kernels
stalk
oils
the roots
- 6. Multiple Choice
Biofuels are ‘carbon-neutral’. This means the plant’s ability to help remove carbon dioxide offsets the carbon dioxide that will be released when it’s burned.
True
False
- 7. Multiple Choice
In the movie, Tim mentions a blend of ethanol as E-10. What can you infer about the blend E-20?
20% ethanol & 80% gasoline
80% ethanol & 20% gasoline
- 8. Multiple Choice
Biofuels create the same amount of air pollution as fossil fuels.
True
False
- 9. Multiple Choice
The most common type of biofuel is ethanol.
True
False
- 10. Multiple Choice
Ethanol is frequently made from which of the following?
- 11. Multiple Choice
You can drive farther on a single tank of fossil fuel than you can on a single tank of biofuel.
True
False
- 12. Multiple Choice
Biofuels can be made out what items?
algae
wood chips
wild grasses
all of the above
- 13. Multiple Choice
One disadvantage of producing more ethanol for use as a fuel is rising prices of certain food crops.
True
False
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